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Magnesium hydroxide is used in some antacid tablets to neutralise excess hydrochloric acid in the stomach. One tablet contains 0.300 g of magnesium hydroxide, Mg(OH)2. (Mr: Mg(OH)2 = 58.3)
Write an equation for the reaction of magnesium hydroxide with hydrochloric acid.
Calculate the amount, in moles, of magnesium hydroxide in one tablet.
Calculate the volume, in cm3, of 0.100 mol dm-3 hydrochloric acid that one tablet can neutralise.