In the precipitation reaction: 3 AgNO₃(aq) + Na₃PO₄(aq) → Ag₃PO₄(s) + 3 NaNO₃(aq), what volume of 0.0500 M Na₃PO₄(aq) solution would be required to react completely with 25.0 mL of a 0.100 M solution of AgNO₃(aq)?
O 150.0 mL
O 16.7 mL
O 4.2 mL
O 50.0 mL