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Ammonium phosphate is an important ingredient in many solid fertilizers. It can be made by reacting aqueous phosphoric acid with liquid ammonia. Calculate the moles of ammonia needed to produce of ammonium phosphate. Be sure your answer has a unit symbol, if necessary, and round it to significant digits.

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Answer:

The balanced chemical equation:

3 NH₃ + H₃PO₄ → (NH₄)₃PO₄

From the equation we see:

3 moles of NH₃ gives 1 mole (NH₄)₃PO₄

0.085 mole NH₃ will gives ?? mole (NH₄)₃PO₄

By cross multiplication:

number of moles of (NH₄)₃PO₄ = 0.085 * 1/3 = 0.028 mole

Explanation:

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