Answer:
5 H atoms per NH4OH
Step-by-step explanation:
5NH4OH
NH4OH is a chemical formula. It has 5 H atoms per each molecule. NH4OH
5NH4OH means 5 molecules (or moles) of NH4OH. But the question asks per chemical formula, so 5 is correct,
There would be 5x4 or 20 atoms of H is 5 molecules of NH4OH.