Practice 9.1

·         How many atoms are in 3.2 mols of Na?

·         How many atoms are in 1.9 mols of Au?

·         Calculate the mass of 0.2345 mols of fluorine atoms.

·         Calculate the mass of 1.575 mols of chromium atoms.

·         How many atoms are in 33.3 g of Fe?

·         How many atoms are in 2.9 g of N?

·         What is the molar mass of H₂SO₄?

·         What is the molar mass of KMnO₄?