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mass number Find the chemical formula and the formula mass for aluminum sulfate. chemical formula: AI2(SO4)3 Formula mass: 342.15g/mol 4. Calculate the mass in grams of each: (1 pt ea) a. 2.561025 molecules glucose, C6H12O6=7658.57g b. 25.0 moles of sulfur dioxide 0.39g c. 1.00 atom of silver 2.757g 5. Calculate the number of moles for each: ( 1pt ea) a. 26.5 grams of copper (II) nitrite 0.141mol b. 9.85 grams of nitrogen gas 0.352mol 2001024 molecules of hydrogen gas 6.695mol 6. Calculate the number of particles for the following: (1pt ea) a. 43.5 grams calcium chloride 2.361023 particles CaCl2 b. 20.0 moles hydrogen gas 1.201025 particles H2 c. 50.0 grams of carbonic acid 4.851023 particles H2CO3