WebQ/ An aqueous solution of exsiccated ferrous sulfate was prepared by adding 41.50 g of FeSO4 to enough water to make 1000 mL of solution at 18 C. The density of the solution is 1.0375 and the molecular weight of FeSO4 is 151.9. Calculate: (a) the molarity; (b) the molality; (c) the mole fraction of FeSO4, the mole fraction of water, and the mole percent …
Calculate the mass of a formula unit of the complex …
WebCompute Molecular weight and no.of moles of Fe2O3: a. To compute for molecular weight, here are the things we should know: Atomic mass of Fe: 55.85 g/mol . Atomic mass of O: 16 g/mol. Therefore, molecular weight of Fe2O3 is: 2 X Fe=2 X 55.85=111.7 g/mol. 3 X O= 3 X 16=48 g/mol. Total=159.7 g/mol=molecular weight. b. To compute for the no. … WebDec 6, 2024 · Calculating Molecular Weight. 1. Count how many atoms of each element exist in the molecule. First, list each element present in the molecule. You may use the chemical symbol or write out the name of the element. Then, count the atoms according to the molecular formula and write them next to the element’s name or symbol. states grocery store buy wine
Calculate the molecular mass of the following:- Feso4. 7H₂O
WebMolar Mass, Molecular Weight and Elemental Composition Calculator. Molar mass of FeSO4*2H2O is 187.9382 g/mol. Get control of 2024! Track your food intake, exercise, sleep and meditation for free. Convert between FeSO4*2H2O weight and … Web14. 2. Calculate the number of moles of chlorine atoms in 55g of copper (II) chlorideA. 0.41 molesB. 1.6 moleC. 0.82 molesD.0.20 moles 15. 40. How many moles are in 53g of strontium? The mass of an atom of strontium is 87.62.a. 0.605 moleb. 0.45 molec. 1.31 molesd. 1.60 moles 16. Y. Which of the following compounds has greater number of moles? WebExamples of molecular weight computations: C[14]O[16]2, S[34]O[16]2. Definitions of molecular mass, molecular weight, molar mass and molar weight. Molecular mass (molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12) states halloween