Question

Which chemical equation is balanced?

A.
2PCl5 + 2H2O → 2HCl + H3PO4

B.
PCl5 + H2O → HCl + H3PO4

C.
PCl5 + 3H2O → 5HCl + H3PO4

D.
PCl5 + 4H2O → 5HCl + H3PO4

Answer 1

Answer:

D

Explanation:

18 elements LHS

18 elements RHS

Phosphurus

1 LHS = 1 RHS

Chlorine

5 LHS = 5 RHS

Hydrogen

8 LHS = 8 RHS

Oxygen

4 LHS = 4 RHS

Answer 2

Answer:

The answer to the equation is D