(Atomic masses used are C = 12.0 g mol–1, O = 16.0 g mol–1, H = 1.01 g mol–1, Cu = 63.5 g mol–1,)
1. How many moles are there in 5.0 g of methanol (CH3OH)?
How many molecules of CuCO3 would weigh 9.0 g?
How many moles would 3.0 g of cyclohexane (C6H12) contain?
How much would 4.00 moles of benzene weigh?
What is the mass of 1000 atoms of calcium?