How many moles of sodium phosphate would be required to react with 1.0 mol of silver nitrate

1) State the balanced chemical equation

Na3 PO4                  + 3 AgNO3        → 3NaNO3        +        Ag3 PO4

sodium phosphate        silver nitrate       sodium nitrate    silver phosphate

2) State the molar ratios

1 mol Na3PO4 : 3 mol AgNO3 : 3 mol NaNO3 : 1 mol Ag3 PO4

3) As you see 3 moles of Silver Nitrate react with 1 mol of Na3 PO4, then you will need.

The you need to use the molar ratio 1:3 to calculate the number of moles of sodium phosphate

1 mol Ag NO3 * [ 1 mol Na3 PO4 / 3 mol Ag NO3] = 0.33 mol Na3 PO4

0.33 mol sodium phosphate

Ithink it’s 3 as the answer.

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