Question

Change into formula equations and balance them? (easy steps to balance)

Answer 1

`2Cu(s) + S(s) +Delta rarr Cu_2S(s)`

Explanation:

`H_3PO_4(aq) + Ca(OH)_2(aq) rarr CaHPO_4(s)darr + 2H_2O(l)`

In aqueous solution, the product `Ca_3(PO_4)_2` would be fairly unlikely.