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Homework Statement Based on your understanding of Avogadro's law. 1000 L steel storage tank contains 88.5 kg of methane gas, CH4. Calculate no. of moles. The Attempt at a Solution one method= no. of moles=mass/molar mass. no. of moles= 88500/16.04= 5517.4 moles.other method= 1 mol=...
Consider the equation: 2H2O(l) 2H2(g) + O2(g) If 9 g of H2O decomposes according to the reaction shown above, how many moles of hydrogen gas are produced? a) 0.5 mol b) 1 mol c) 2 mol d) 4 mol How many moles of CO2 are produced when 5.70 mol of ethane are bur...
A 0.30-mol sample of copper metal and 10.0 mL of12 Mnitric acid are mixed in a flask. How many moles of NO gas will form? A.0.060 mol B.0.030 mol C.0.010 mol D.0.20 mol 10.Gold(III) oxide, Au2O3, can be decomposed to gold metal, Au, plus oxygen gas, O2. How many moles ...
If 3.25 mol of argon gas occupies a volume of 100.L at a particular temperature and pressure, what volume does 14.15 mol of argon occupy under the same conditions? When finding formulas for binary compounds, which element gives away its charge to find the formula? How many grams of tin wi...
Problem: Convert 2.50 moles of KClO3 to grams. Solution: Find out the molar mass of the substance (hint: you can useMolar mass of the substancealone to calculate molar mass). The molar mass of KClO3 is 122.548 g/mol. Multiply the given number of moles (2.50 mol) by the molar mass (...
What is the temperature of 0.440 mol of gas at a pressure of 1.2 atm and a volume of 11.9L? How much energy is liberated when 2.0 moles of electrons flow from the anode to the cathode in a voltaic cell with an electrical potential of 3.0 V?
Finding Number of Moles with Ideal Gas Equation I want to find the number of moles and I have the ideal gas equation as : n = PV/RT However I think I'm using the wrong units to find it, I want the answers in moles. n = (1 Pa * 1 m^3) /(8.314 JK^-1 mol^-1 * 1K) ...
The total mass of a single hydrogen diatomic molecule (H2) is 2. 016 AMU. A mol of hydrogen gas has a mass of 2.016 grams. In that 2.016 gram mass is Avogadro’s number of H2 molecules because that is the way hydrogen comes. A mol of water is 18.016 grams because each water ...
hydrogen (H2) + oxygen (O2) --> water (H2O) __4.0___ 32.0 36.0 2× 1.0 2 × 16.0 (2 × 1.0) + 16.0 = 2 mol = 1 mol = 2 mol This ratio is the ratio of stoichiometric numbers in the equation. So the equation is: 2...