Question

Sodium phosphate and calcium chloride react to form calcium phosphate and sodium chloride.

Answer 1

Answer:

Your unbalanced equation is

Na3PO4+CaCl2→Ca3(PO4)2+NaCl

1. Start with the most complicated formula, Ca3(PO4)2.

Put a 1 in front of it. We have now fixed the number of Ca atoms and PO4 groups.

Na3PO4+CaCl2→1Ca3(PO4)2+NaCl

2. Balance Ca. Put a 3 in front of CaCl2.

Na3PO4+3CaCl2→1Ca3(PO4)2+NaCl

.

3. Balance PO4. Put a 2 in front of Na3PO4.

2Na3PO4+3CaCl2→1Ca3(PO4)2+NaCl

4. Balance Na. Put a 6 in front of NaCl.

2Na

Explanation:

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