1. Calculate the molar mass of each of the following compounds: a. Ethyl chloride , C2H5CI...

1. Calculate the molar mass of each of the following compounds: a. Ethyl chloride , C2H5CI b. Phenobarbital, C12H12N2O3 C.Sodium carbonate, NaHCO3 d. Aluminum sulfate, Al2(SO4)3 e. Diethyl ether, (C2H5)2 O 2. Calculate the number of molecules in each of the following samples. a. 3.04 mol of C8H18 b. 0.002 mol of aspirin, C9H8O4 3. Calculate the mass of each of the following sample. a 17.2 mol of CO2 b . 0.053 mol of (NH4)3PO4 4. Calculate the number of moles in each of the following samples. a. 3.69 x 10 to the power of 24, atoms of uranium, U b. 7.54 x10 to the power of 23 molecules of H2O c. 76.9 g of BaSO4 d. 146.2 g of C2H5OH 5. under certain circumstances, carbonn dioxide , CO2(g), can be made to react with hydrogen gas.H2(g), to produce methane , CH4(g), and water vapour , H2O(g); CO2(g) +4H2(g)----->CH4(g) +2H2O(g) How many moles of methanes are produced when 71.1 moles of carbon dioxide gas react with excess hydrogen gas?

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queen_honey_blossom answered 1 year ago

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