How much does 1.9 mol of carbon dioxide

Question

weigh?
Answer in units of g

Answer 1

C = 12.01
O2 = 16*2 = 32
Total = 44.01 g

Answer 2

take the molar mass which in this case is 44.01g and then multiply it by the number of mols you have which in this case is 1.9.