Question

(iii) The mass of magnesium used by the student was 0.12 g.

Calculate the value of the enthalpy change (AH), in kilojoules per mole of
magnesium, for the reaction between magnesium and hydrochloric acid.
Include a sign in your answer.

Answer 1

Step-by-step explanation:

For every 1 mole of magnesium, the reaction uses 2 moles of hydrochloric acid.