Which of the following gives the balanced equation for this reaction:
K₃PO₄ (aq) + Ca(NO₃)₂ (aq)→ Ca₃(PO₄)₂ (s) + KNO₃ (aq)
a. KPO₄ + CaNO₃ + KNO₃
b. K₃PO₄ + Ca(NO₃)₂ → Ca₃(PO₄)₂ + 3 KNO₃
c. 2 K₃PO₄ + Ca(NO₃)₂ → Ca₃(PO₄)₂ + 6 KNO₃
d. 2 K₃PO₄ + 3Ca(NO₃)₂ →Ca₃(PO₄)₂ + 6 KNO₃
e. K₃PO₄ + Ca(NO₃)₂ → Ca₃(PO₄)₂ + KNO₃