# How many moles of potassium nitrate are produced when two miles of potassium phosphate react with two moles of aluminum nitrate?

Feb 13, 2016

$6$ moles

#### Explanation:

First write balanced chemical equation for this ion-exchange reaction :

${K}_{3} P {O}_{4} + A l {\left(N {O}_{3}\right)}_{3} \to 3 K N {O}_{3} + A l P {O}_{4}$.

This balanced chemical equation represents the mole ratio in which the chemicals combine and form products.

So clearly 1 mole of each reactant combines to form 3 moles potassium nitrate and 1 mole aluminium phosphate.

Hence, by ratio and proportion, 2 moles of each reactant will produce 6 moles potassium nitrate and 2 moles aluminium phosphate.