Answer to Question #202493 in General Chemistry for Ayame

Question

120 grams of sodium hydroxide completely reacts with phosphoric acid (H₃PO₄) in the reaction 3 NaOH + H₃PO₄ -> Na₃PO₄ + 3 H₂O what mass of water is produced?

Answer 1

Moles of Sodium hydroxide

= 120 / 40 =3 mol.

3 mol. Of NaOH gives 3 mol . Of water

Mass of water formed = 3 × 18 = 54 g .