Question

how many moles of hydrogen are there in 3 moleules of copper (II) sulfate pentahydrate

Answer 1

Answer:

O.K., you can do this. It just takes thinking about it in a little different way than you are, perhaps, used to:

Explanation:

Ah, but again, we need to convert the mass of w

To summarize what we did: We started by figuring out how much copper (II) sulfate pentahydrate we had, converted that to moles, then figured out how much water we had lost, converted that to moles, and finally found the ratio of moles of water lost to moles of copper (II) sulfate pentahydrate.