How many molecules are in 1.60 g of SO2?

Question

Answer in units of molec

Answer 1

1.60 g SO2 x molar mass of SO2 (1 mole/ 64.06g)
= # moles of SO2 x 6.02e23 molecules/ 1 mole SO2
= #molecules of SO2

Answer 2

225
32j