What is the mass of 0.513 mol Al2O3? Give your

answer to the correct number of significant

figures. (Molar mass of Al2O3 = 102.0 g/mol)

0.513 mol Al2O3 = |

g Al2O3

52.3

Explanation:

You would need to take the given number of moles and multiply by the molar mass, so

0.513 mol Al2O3 (102.0g Al2O3/1 mol Al2O3) = 52.326

Since you're only given 3 sig figs, you report your answer with 3 sig figs.