Sulphuric acid and calcium hydroxide reacts as shown by the equation: H_2SO_4(aq) + Ca(OH)_2(aq) arrow CaSO_4(aq) + 2H_2O_(l) If 0.1 moles of sulphuric acid are used, how many moles of water are produced?

Sulphuric acid and calcium hydroxide reacts as shown by the equation:

$H_2SO_{4(aq)} + Ca(OH)_{2(aq)} \rightarrow CaSO_{4(aq)} + 2H_2O_{(l)}$

If 0.1 moles of sulphuric acid are used, how many moles of water are produced?

A0.1

B0.2

C1.0

D2.0

Explanation

The equation gives 1 mol of acid to 2 mol of water, so 0.1 mol of acid produces 0.2 mol of water.

ZIMSEC Combined Science 4003/1, Specimen Paper 2018, Q17

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