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2) How many moles of oxygen would be needed to complete the combustion of 0.750 moles of Propane, (CH.)? How many grams of oxygen would be needed? 3) How many moles of hydrogen would be produced from the electrolysis of 35.45 moles of water? decomp How many grams of hydrogen would be produced? 4) How many moles of copper would precipitate if 1.354 moles of iron reacted with copper (10) ngle sulfate? How many grams of copper would precipitate? double 5) How many moles of barium nitrate would react with 5750 moles of potassium phosphate? How many grams of barium nitrate would react? 6) If a 50.00 mole block of aluminum fell into a tank of sulfuric acid, then how many moles of hydrogen would be produced? How many grams of hydrogen would be produced? Single e single 7) A chemistry student throws a 25.00 mole block of calcium into a lake. How many moles of water will react? How many grams of water will react? 8) How many moles of calcium hydroxide would be produced from the reaction in problem #7? How Sir many grams of calcium hydroxide would be produced? 9) How many moles of carbon dioxide would be produced from the complete combustion of 10.00 moles of octane (CH)? How many grams of carbon dioxide would be produced?