What is the molar mass of cholesterol if 0.438 mol weighs 169.37 g? Hint: What is the definition of molar mass?

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Answer 1 · 2018-01-26T17:45:33

Indeed, what is the definition of molar mass? Are the units #"g/mol"# or #"mol/g"#?

What then do you get if you write...

#"169.37 g"/"0.438 mols" = ??? "g"/"mol"#

It is the molar mass. With three sig figs in #"0.438 mols"#, round to three sig figs upon dividing.