Question

How many moles of H2O have a mass of 32.6 grams?

A. 1.81 × 100 moles

B. 5.06 × 100 moles

C. 1.80 × 101 moles

D. 2.24 × 101 moles

E. 3.26 × 101 moles

Answer 1

What is the molecular mass of H_2O ???

Answer 2

@RH

Answer 3

18.01

Answer 4

\[\huge \bf mole=\frac{Mass}{Molecular~mass}\]
\[\huge \bf mole=\frac{32.6}{18.01}\]

Answer 5

can you solve it further? @RH

Answer 6

1.81

Answer 7

yeah

Answer 8

so A is correct?

Answer 9

yeah

Answer 10

thanks!

Answer 11

welcome :)