1)Find atomic mass of each atom

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1)Find atomic mass of each atom.

To find the molar mass of glucose first find the atomic mass of each atom. Carbon has an atomic mass of 12.01, Hydrogen has an atomic mass of 1.008, and Oxygen has an atomic mass of 16.00.

1. Multiply atomic mass by its subscript.

Next you multiply each atomic mass by its subscript. In glucose Carbon has a subscript of 6 Hydrogen has a subscript of 12 and Oxygen has a subscript of 6. The subscript tells you how many atoms there are. In glucose there are 6 Carbons, 12 Hydrogens, and 6 Oxygens.

1. Add each product and the sum is your answer.

After multiplying the atomic mass of each atom by its subscript you add them all up. The sum is your answer. 6(12.01) + 12(1.008) + 6(16.00) = 180.156. So the answer is 180.156 g/mol.