Question

According to the following balanced reaction, how many moles of CaO are required to exactly react with 5.44 moles of H₂O? 4 CaO(s) + 2 H₂O(1)→ 4 CaOH(s) + O₂(g)

Answer 1

Answer: 10.88 moles of CaO

Explanation: The reaction takes place with 4 parts of CaO and 2 of H2O. If you have 5.44 moles of H20 you need double the amount of CaO