What is the coefficient for h2o when the equation ? ca(oh)2(aq) + ? h3po4(aq) → ? ca3(po4)2(s) + ? h2o(ℓ) is balanced using the smallest possible integers?

Coefficient of in the balanced equation with smallest possible integer is 6.

Explanation:

Unbalanced equation:

Balance Ca:

Balance  :

Balance H and O:

Balanced equation:

So coefficient of in the balanced equation with smallest possible integer is 6.

not clear