1. What is the mass of 4.02 mol4.02 mol of K2S

What is the mass of 6.42 mol6.42 mol of Na2O?

Which has a greater mass, 4.02 mol4.02 mol of K2SK2S or 6.42 mol6.42 mol of Na2O?Na2O?

6.42 mol6.42 mol of Na2ONa2O

4.02 mol4.02 mol of K2S

2. What is the mass of 1.90 mol1.90 mol of Fe2O3?

What is the mass of 2.43 mol2.43 mol of C2H4?

3,How many atoms are in 6.53 mol6.53 mol of calcium?

How many moles are in 1.641024 atoms1.641024 atoms of fluorine?

4.How many molecules are in 3.89 mol3.89 mol of CH4?

How many moles are in 5.591024 molecules5.591024 molecules of SO