Calculatig moles?

Question: How many moles of H atoms are found in 4.5 moles of (NH4)2SO4 (ammonium sulfate)?





Do I need to set up mole ratios for ammonium sulfate and H?

Calculatig moles?
there are 8 hydrogen atoms in ammonium sulfate, so all you have to do is multiply 4.5 with 8, which is 36.