molar mass of nai

22,98977+126,90447. Calculate the molecular weight Enter subscripts as simple numbers. • NaI + AgNO3 = NaNO3 + AgI ↓ Moles of Cl2 = 29.4 grams / 71.0 grams / mole. Moles of NaI = 0.392 moles . You must assume there is enough Pb(ClO3)2 to use all of the NaI. Ksp = [Pb++][I-]² . (K = 1.86 C/m; molar mass of water = 18 g)-3.33 Celsius. This is defined as 0.001 kilogram per mole, or 1 gram per mole. Browse the list of Molar mass of CrO4 is 115.9937 g/mol Molar mass of Ni is 58.6934 g/mol Molar mass of O is 15.9994 g/mol Molar mass of KC2H3O2 is 98.14232 g/mol Molar mass of NaI is 149.89423928 g/mol Molar mass of FePO4 is 150.816362 g/mol Molar mass of C27h56 is 380.73354 g/mol Molar mass of CuSO4 is 159.6086 g/mol Molar mass of HCl is 36.46094 g/mol Molar mass of KOH is 56.10564 g/mol Personally, I would have given you partial credit!) 7 g NaI (1 mol NaI 149. Source(s): I teach HS chemistry. Multiply the relative atomic mass by the molar mass constant. Did you mean NaI? Use the concentration, weight or volume method. common chemical compounds. mass = molar mass x moles = 149.89 g/mol z 0.29314 mol = 43.9 g. 1 0. privett. 2 mol NaI 1 mol Pb(NO ) = 9.06 × 10−4 mol There is 1.25 × 10−2 mol of NaI initially, thus Pb(NO 3) 2 is the limiting reactant. Favorite Answer. moles I2 = mass / molar mass = 37.2 g / 253.8 g/mol = 0.14657 mol. The formula weight is simply the weight in atomic mass units of all the atoms in a given formula. a. Cl 2 b. SeCl 2 c. Ca(C 2 H 3 O 2) 2 11. Use uppercase for the first character in the element and lowercase for the second character. This method, the Finkelstein reaction,[13] relies on the insolubility of sodium chloride in acetone to drive the reaction:[14]. The crystals are usually coupled with a photomultiplier tube, in a hermetically sealed assembly, as sodium iodide is hygroscopic. The converter uses simple … 89 g NaI) = 0.0714 mol We know that the volume of the solution is 0.250 L. The total mass of the precipitate is 38.3 g . Pb(ClO3)2 + 2NaI ==> PbI2 + 2NaClO3 mols NaI = M x L = ? For normal samples from earth with typical isotope composition, the atomic weight can be approximated by the standard atomic weight or the conventional atomic weight. Examples: Fe, Au, Co, Br, C, O, N, F. You can use parenthesis or brackets []. Tamilnadu State Board New Syllabus Samacheer Kalvi 11th Chemistry Guide Pdf Chapter 1 Basic Concepts of Chemistry and Chemical Calculations Text Book Back Questions and Answers, Notes. Molar mass of NaI, Sodium Iodide is 149.89424 g/mol. Pages 297 ; This preview shows page 174 - 178 out of 297 pages.preview shows page 174 - 178 out of 297 pages. Example \(\PageIndex{2}\): Moles. The mole ratio between N aI to Cl2 is 2:1, so two moles of sodium iodide are needed to react with one mole of chlorine. For dilution following formula is used: M1 V1 = M2V2. Na + I 2 = NaI: synthèse: I 2 + Na 2 S 2 O 3 = NaI + Na 2 S 4 O 6: double replacement: S{-2} + I 2 = I{-} + S: single replacement: H 2 + I 2 = HI: synthèse: Al + I 2 = AlI 3: synthèse: Formule dans le système de Hill est I2: Calcul de la masse molaire (poids moléculaire) To calculate molar mass of a chemical compound enter its formula and click 'Compute'. 0.2 X 2 = 1 X M2. NaI - Sodium Iodide. Under standard conditions, it is a white, water-soluble solid comprising a 1:1 mix of sodium cations (Na+) and iodide anions (I−) in a crystal lattice. Any problem involving interconversion of mass and amount of substance requires molar mass Element : Symbol : Atomic Mass # of Atoms : Mass Percent: Sodium: Na: 22.989770: 1: 15.337%: Iodine: I: 126.90447: 1: 84.663% ›› Calculate the molecular weight of a chemical compound. The molar mass of water is (1.0079 + 1.0079 + 15.999) = 18.015 g/mol. Moles of Lead (II) Nitrate = mass/molarmass. a) pure water. Sodium iodide activated with thallium, NaI(Tl), when subjected to ionizing radiation, emits photons (i.e., scintillate) and is used in scintillation detectors, traditionally in nuclear medicine, geophysics, nuclear physics, and environmental measurements. An average Cl atom has a molar mass of 35.453 \ "g/mol", so the average molar mass of Cl_2 will be 35.453*2=70.906 \ "g/mol". (K = 0.512 C/m; molar mass of water = 18 g) Fine-tuning of some parameters (i.e., radiation hardness, afterglow, transparency) can be achieved by varying the conditions of the crystal growth. Lv 7. These relative weights computed from the chemical equation are sometimes called equation weights. 2 Answers . And the answer to that is 2 x 300 = 600 g of NaI. NaI Molar mass: 149.894 Appearance white solid deliquescent: Odor: odorless Density: 3.67 g cm −3: Melting point: 661 °C (1,222 °F; 934 K) Boiling point : 1,304 °C (2,379 °F; 1,577 K) Solubility in water. Lv 7. 0 1. 1 Answer. Compound: Moles: Weight, g: NaI(aq) Elemental composition of NaI(aq) Element Symbol Atomic weight Atoms Mass percent; Sodium: Na: 22.98976928: 1: 15.3373: Iodine: I: 126.90447: 1: 84.6627: Mass percent composition: Atomic percent composition : Sample reactions for NaI(aq) Equation: Reaction … (K f = 1.86 o C/m; molar mass of water 18.0g) Please show work. Molar mass of NaI(aq) is 149.894239 ± 0.000030 g/mol Convert between NaI(aq) weight and moles. Sodium iodide exhibits high solubility in some organic solvents, unlike sodium chloride or even bromide: Iodides (including sodium iodide) are detectably oxidized by atmospheric oxygen (O2) to molecular iodine (I2). c) 0.01 M Pb(NO3)2. The number of moles of I2 can be calculated as shown below; moles of I2 = Given mass (g) / molecular mass (g/mol). NaI(Tl) is the most widely used scintillation material. However, the question asks what is the molar mass of "2 NaI". It is a chaotropic salt. Molar mass NaI = 23.0 grams + 126.9 grams= 149.9 grams / mole . According to our balanced equation . Personally, I would have given you partial credit!) Let's take x moles of NaBr, y moles of NaI and z moles of NaNO3 molar mass of NaBr = 102.8 NaI = 149.8 NaNO3 = 84.9 AgBr = 187.7 AgI = 234.7 AgCl = 143.3 so, Writing the mass balance initially 0.8612 = x*102.8 y*149.8 z*84.9 ------------ (1) Now the number of mole of Br- and I- will remain same as x and y, so we can write another mass balance 1.0816 = x*187.7 y*234.7 ------------- (2) Now … What is the boiling point of a solution that contains 3 moles of KBr in 2000 g of water? Molar mass of NaI = 149.89424 g/mol. M2 = 0.4. The wavelength of maximum emission is 415 nm.[15]. This converts atomic units to grams per mole, making the molar mass of hydrogen 1.007 grams per mole, of carbon 12.0107 grams per mole, of oxygen 15.9994 grams per mole, and of chlorine 35.453 grams per mole. We use the most common isotopes. MgCO3 → MgO + CO2 Molar mass : MgCO3= 84.3139 g/mol ; CO2 = 44.01 g / mol Xg MgO3___X g O2 X=542g CO2 No. Anonymous. Convert mols NaI to mols PbI2 using the coefficients in the balanced equation. However, because we want to cancel the gram unit and introduce moles, we need to take the reciprocal of this quantity, or 1 mol/18.015 g: Test Yourself What mass of precipitate will form if 1.50 L of highly concentrated Pb(ClO3)2 is mixed with 0.350 L of 0.290 M NaI? We know that the volume of the solution is 0.250 L. We can now calculate for molarity: Assume the . The molar mass is easily obtained from atomic weights and may be used as a conversion factor, provided the units cancel. The molar mass of iodine gas is 253.8089g/mol. Moles : 542g/44.01g/mol = 6.43 mol MgCO3 (d) The number of moles and the mass of water formed by the combustion of 20.0 kg of acetylene, C2H2, in an excess of oxygen. The atomic weights used on this site come from NIST, the National Institute of Standards and Technology. Massa molar of NaI is 149.894239 ± 0.000030 g/mol Convert between NaI weight and moles The mole ratio between NaI to Cl_2 is 2:1, so two moles of sodium iodide are needed to react with one mole of chlorine. One point is earned for the identification of Pb(NO 3) 2. Finding molar mass starts with units of grams per mole (g/mol). 0 0. Apr 17, 2013 . The molar mass of NaI is The moles of NaI is: 10. This is how to calculate molar mass (average molecular weight), which is based on isotropically weighted averages. Moles of Sodium Iodide. Use the molar mass of H 2 O as a conversion factor from mass to moles. If x moles of PbI2 dissolves in 1 L (the solubility), then [Pb++] = x and [I-] = 2x, in molarity. Do a quick conversion: 1 moles NaI = 149.89424 gram using the molecular weight calculator and the molar mass of NaI. Dr.A. The value of K a is used to calculate the pH of weak acids.The pK a value is used to choose a buffer when needed. Sodium iodide (chemical formula NaI) is an ionic compound formed from the chemical reaction of sodium metal and iodine. Molar mass of NaI is 149.894239 ± 0.000030 g/mol Compound name is sodium iodide Convert between NaI weight and moles The reason is that the molar mass of the substance affects the conversion. Molar mass of NaI, Sodium Iodide is 149.89424 g/mol. The formula weight is simply the weight in atomic mass units of all the atoms in a given formula. Calculate the molarity of a solution prepared by dissolving 4.09 g NaI in enough water to prepare 312 mL of solution. It will calculate the total mass along with the elemental composition and mass of each element in the compound. It is produced industrially as the salt formed when acidic iodides react with sodium hydroxide. It is used mainly as a nutritional supplement and in organic chemistry. And the answer to that is 2 x 300 = 600 g of NaI. Sodium iodide, as well as potassium iodide, is commonly used to treat and prevent iodine deficiency. 4 … A common request on this site is to convert grams to moles. putting the values in the equation. Finding molar mass starts with units of grams per mole (g/mol). Example \(\PageIndex{2}\): Moles. multiply by 0.170 mol/L and liter's cancel out... you have the mole's of NaI (*1) NaI combines with Hg (NO3)2 in a 1 to 2 ratio. Nai Sodium Iodide. Solution. = 15// (22.99+126.9) = 15//149.89. 7 g NaI (1 mol NaI 149. 5 years ago. Some radioactive iodide salts of sodium, including Na125I and Na131I, have radiopharmaceutical uses, such as in the treatment of thyroid cancer and hyperthyroidism or as radiolabeling tracers in imaging (see Isotopes of iodine > Radioiodines I-123, I-124, I-125, and I-131 in medicine and biology). Compound: Moles: Weight, g: NaI2: Elemental composition of NaI2. [11], Sodium iodide is used for conversion of alkyl chlorides into alkyl iodides. However, because we want to cancel the gram unit and introduce moles, we need to take the reciprocal of this quantity, or 1 mol/18.015 g: Test Yourself How many moles are present in 35.6 g of H 2 SO 4 (molar mass = 98.08 g/mol)? The molar mass of NaI is . Calculate the amount of octane (C 8 H 18) in 500 g of this liquid. What mass of precipitate will form if 1.50L of concentrated Pb(ClO3)2 is mixed with 0.200L of 0.280M of NaI? (d) Calculate the molar concentration of NO 3 molarity = mass = 0.4 x 150 = 60 grams. This site explains how to find molar mass. If the formula used in calculating molar mass is the molecular formula, the formula weight computed is the molecular weight. a. Si b. SiH 4 c. K 2 O 10. Relevance. molar mass and molecular weight. The addition of 0.100 L of 1.66 M NaI solution is just enough to precipitate all the ions as AgI and HgI2. 1 decade ago. The molar mass of atoms of an element is given by the relative atomic mass of the element multiplied by the molar mass constant, M u ≈ 1.000 000 × 10 −3 kg/mol = 1.000000 g/mol. Moles of Cl2 . Glenguin. a. O 3 b. NaI 1.41 x 10^-4 g NaCN What volume in liters of a .724 M NaI solution contains .405 mol of NaI? 22.98977 + 126.90447. So moles I atoms = 2 x moles I = 0.29314 mol . Source(s): I teach HS chemistry. Element Symbol Atomic Mass Number of Atoms Mass Percent; Natrium: Na: 22.98977: 1: 15.338%: Iodium: I: 126.90447: 1: 84.663%: Notes on using the Molar Mass Calculator. Densities of the binary systems (NaI + H2O) and (NaIO3 + H2O) were measured by an accurate Anton Paar Digital vibrating-tube densimeter at temperature intervals of 5 K ranging from 283.15 to 353.15 K at ambient pressure and molalities of sodium iodide and sodium iodate ranging from 0.16764 to 2.15208 and 0.02252 to 0.15952 mol kg–1, respectively. The moles of NaI is: 10. Under standard conditions, it is a white, water-soluble solid comprising a 1:1 mix of sodium cations (Na ) and iodide anions (I ) in a crystal lattice. Solution Use the molar mass of H 2 O as a conversion factor from mass to moles. = 83.9g/253.8089g/mol. So, 60 grams of NaI will … Water accelerates the oxidation process, and iodide can also produce I2 by photooxidation, therefore for maximum stability sodium iodide should be stored under dark, low temperature, low humidity conditions. This is not the same as molecular mass, which is the mass of a single molecule of well-defined isotopes. Formula weights are especially useful in determining the relative weights of reagents and products in a chemical reaction. of a chemical compound, More information on molar mass of NaI = 150 gram/mole. Tamilnadu Samacheer Kalvi 11th Chemistry Solutions Chapter 1 Next, I would use the molar mass of NaI to determine the mass of NaI required: 0.75 mol NaI (149.89 g/mol) = 112.4 g NaI (not worrying about sig figs) (PICTURES BELOW DO NOT REPRESENT THE SUBSTANCE OR QUANTITIES IN THE EXAMPLE). It is produced industrially as the salt formed when acidic iodides react with sodium hydroxide. Relevance. Assume the reaction is complete Katherine. Iodized table salt contains 10 ppm iodide. An average Cl atom has a molar mass of 35.453 g/mol, so the average molar mass of Cl2 will be 35.453 ⋅ 2 = 70.906 g/mol. NaI has a molar mass of 149.89 \ "g/mol", so 2NaI has a molar mass of 149.89*2=299.78 \ "g/mol". It is used mainly as a nutritional supplement and in organic chemistry. Sodium iodide can be used both as single crystals and as polycrystals for this purpose. Assuming the ksp of PbI2 is 8.7*10^-9. Solution. Source(s): https://shorte.im/a775Q. (A trick question in my opinion, but you have to read every bit of a question. Moles of Cl2 = 0.414 moles . … = 25.0 grams//331.22. It is a simple ionic compound composed of the sodium cation (Na +) and iodide anion (I-), and its chemical structure is shown below.The solid NaI adopts a … What mass of pecipitate will form if 1.50 L of concentrated Pb(ClO3)2 is mixed with 0.250 L of 0.210 M NaI? the molar mass of element it can represent gram atomic mass. Determine the molar mass of each substance. Moles of NaI = Moles of I⁻: Moles NaI = Moles iodide ion: 2.07g * (1mol / 149.89g) = 0.01381moles NaI = Moles I⁻ Molarity is: 0.01381moles I⁻ / 0.0500L = 0.28M is … Determine the molar mass of each substance. Sodium iodide (chemical formula NaI) is an ionic compound formed from the chemical reaction of sodium metal and iodine. Favorite Answer. b) 0.01 M NaI. For bulk stoichiometric calculations, we are usually determining molar mass, which may also be called standard atomic weight or average atomic mass. Choosing an acid or base where pK a is close to the pH needed gives the best results. Molar mass of NaI is 149.89423928 g/mol Molar mass of NaHCO100000000000 is 1599940000036 g/mol Molar mass of MoO3 is 143,9582 g/mol Molar mass of oxygen is 31.9988 g/mol Molar mass of (CH3)3HNCl is 95.5712 g/mol Molar mass of CoO is 74,932595 g/mol Molar mass of H3PO4 is 97,995182 g/mol Molar mass of Co(OH)2 is 92,947875 g/mol Molar mass of NH2O is 32,02198 g/mol Molar mass … To complete this calculation, you have to know what substance you are trying to convert. Moles NaI = 4.09 g / 149.9 g/mol =0.0273. Sodium Iodide NaI Molar Mass, Molecular Weight. Calculate the amount of octane (C 8 H 18) in 500 g of this liquid. Calcium Iodide CaI2 Molar Mass, Molecular Weight. Calculate the molar solubility of PbI2 in...? Now lets see moles of Cl2 that would be produced from 0.392 moles . You can view more similar questions or ask a new question. One point is earned for a justification in terms of the relative numbers of moles. Enter a chemical formula to calculate its molar mass and elemental composition: Molar mass of naI(Tl) is 354.27754 ± 0.00023 g/mol Convert between NaI(Tl) weight and moles Mass percentage of the elements in the composition The molar mass of water is (1.0079 + 1.0079 + 15.999) = 18.015 g/mol. each I2 has 2 I atoms. The molar mass of Sodium Iodide is 149.89g/mol. When calculating molecular weight of a chemical compound, it tells us how many grams are in one mole of that substance. Answer Save. 1 decade ago. Mass percentage of the elements in the composition. 2C2H2 + 5O2 → 2H2O + 4CO2 Molar Mass : C2H2 = 26.04 g/mol ; H2O = 18.01528 g/mol 20.0 Kg C2H2 ___ X g H2O X= … • CaI2 + Hg(NO3)2 = HgI2 + Ca(NO3)2 We’re given the mass of NaI, 10.7 g. We can use the molar mass of NaI to find the moles. Lv 4. 149.89 gm/mole = molar mass for NaI 6.13 gm/149.89 gm/mole/0.312 liters = 0.131 moles/liter = … Convert grams Sodium Iodide to moles or moles Sodium Iodide to grams. 22,98977+126,90447. 89 g NaI) = 0.0714 mol. RhapsodyinBlue . The molar mass is easily obtained from atomic weights and may be used as a conversion factor, provided the units cancel. Molar Mass of Frequently Calculated Chemicals: (C2H5)2O Ether (NH4)2C2O4 Ammonium Oxalate (NH4)2CO3 Ammonium Carbonate (NH4)2CrO4 Ammonium Chromate (NH4)2HPO4 Di-Ammonium Phosphate (NH4)2S Ammonium Sulfide (NH4)2SO4 Ammonium Sulfate (NH4)3PO3 Ammonium Phosphite (NH4)3PO4 Ammonium Phosphate Ag2O Silver(I) Oxide Ag2S Silver Sulfide Ag2SO4 Silver … Determine the molar mass of each substance. Convert grams NaI to moles  or  moles NaI to grams, Molecular weight calculation: I2 and I− complex to form the triiodide complex, which has a yellow color, unlike the white color of sodium iodide. To prepare this solution, we would measure out the NaI using an analytical balance. However, the question asks what is the molar mass of "2 NaI". In chemistry, the formula weight is a quantity computed by multiplying the atomic weight (in atomic mass units) of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all of these products together. P b(N O3)2 + 2N aI − → P bI 2 + 2N aN O3. Convert grams NaI to moles or moles NaI to grams. Chemical formulas are case-sensitive. Molecular weight calculation: 22.98977 + 126.90447 ›› Percent composition by element You have 0.024 L NaI sol'n. The percentage by weight of any atom or group of atoms in a compound can be computed by dividing the total weight of the atom (or group of atoms) in the formula by the formula weight and multiplying by 100. Moles of NaI = 58.7 grams / 149.9 grams / Mole. A common request on this site is to convert grams to moles. Use the Sensorex online pH calculator to determine the pH of a solution of known concentration. 0 0. naomi. For concentration in grams/litre, formula used. Check the chart for more details. Answer Save. 0 0. M = 0.0273 / 0.312 L =0.0875. (A trick question in my opinion, but you have to read every bit of a question. 4 years ago. [11] It is a chaotropic salt. 1.5 L (0.50 mol/L) = 0.75 mol NaI. Using the chemical formula of the compound and the periodic table of elements, we can add up the atomic weights and calculate molecular weight of the substance. This compound is also known as Sodium Iodide. N aI has a molar mass of 149.89 g/mol, so 2N aI has a molar mass of 149.89 ⋅ 2 = 299.78 g/mol. Molar mass of NaI = 149.89424 g/mol. This is a limiting reactions problem. Finding Molar Mass. Molar mas of Cl2- 2(35.5 g) = 71.0 grams/ mole . What is the freezing point of a solution that has 5.0 moles of NaI in 1250g of water? To do so, we use the molar mass of NaI. Exact Mass: 149.89424 g/mol: Computed by PubChem 2.1 (PubChem release 2019.06.18) Monoisotopic Mass: 149.89424 g/mol: Computed by PubChem 2.1 (PubChem release 2019.06.18) Topological Polar Surface Area: 0 Ų: Computed by Cactvs 3.4.6.11 (PubChem release 2019.06.18) Heavy Atom Count: 2: Computed by PubChem: Formal Charge: 0: Computed by PubChem: Complexity: 2
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