# Calculation of the Number of Grams in One Mole of a Substance

Calculate the number of grams in one mole of CaSO4.7H2O

Formula for finding the number of moles in a substance.

https://brainmass.com/chemistry/stoichiometry/calculation-number-grams-mole-substance-19779

#### Solution Preview

One mole is the formula weight expressed in grams. The formula weight is:

Ca 40.08

S ...

#### Solution Summary

The solution calculates the number of grams in one mole of a substance.

$2.19