Answer:
58.09 g/mol
Step-by-step explanation:
To find the molar mass, add together the atomic masses of all the elements in the compound.
C - 3 × 12.01 = 36.03
H - 6 × 1.01 = 6.06
O - 16.00
36.03 + 6.06 + 16.00 = 58.09 g/mol
The molar mass of acetone is 58.09 g/mol.
Hope that helps.