Question

Molar mass of 3.01 x 10 to the twenty third power molecules H2O

A) 9.01g
B) 18.02g
C) 37.00g

Answer 1

6.02 x 10 to the twenty third is one mol. And one mole of H2O has a mass of 18.02 g. Then 3.01 x 10 to the twenty third will be half mole. 18.02/2. Then the answer is A) 9.01g