Question

Quinine, C₂₀H₂₄N₂O₂ is the bitter tasting compound in tonic water. It is also the compound used to prevent malaria.

What is the mass of 0.25 mol quinine?

Answer 1

$$m=n*M$$

M (C20H24N2O2) = 324 g/mol

$$m=0.25*324=81 g$$