Select the correct answer.
Which mathematical relationship should you use to convert moles of a substance into grams?
A.
mass in grams = number of moles · molar mass in g/mol
B.
`"mass in grams" = ("number of moles")/ ("molar mass in g/mol")`
C.
`"mass in grams" = ("molar mass in g/mol")/ ("number of moles")`
D.
mass in grams = molecular weight · molar mass in g/mol