Question

the mass in gram of 0.45 ca2+ ion of moles​

Answer 1

Answer:

Explanation:

You have 0.45 mol perovskite. In each mole of perovskite there are 3 moles of oxygen atoms, 1 mol titanium, and 1 mol of calcium.

So, given this 1:1 molar equivalence, how many moles of calcium ions are there in 0.45 moles?