Answer to Question #150747 in General Chemistry for D chase

Question

CaCl2 (aq) + Na3PO4 (aq) —> Ca3(PO4)2 (s) + NaCl (aq) unbalanced

How many moles of sodium phosphate need to react with the calcium chloride to make 1.98 moles of calcium phosphate?

Answer 1

3CaCl2 (aq) + 2Na3PO4 (aq) —> Ca3(PO4)2 (s) + 6NaCl (aq) 

1.98 x 2/1 = 3.96 moles of sodium phosphate.