Chapter 21, Problem 21.83QP

Interpretation Introduction

Interpretation: The given antacid known as Maalox contains a mixture of magnesium and aluminium hydroxides. The substance that will neutralize more acid on a per-mole basis is to be identified. If the same substance also neutralize more acid on a per-gram basis is to be stated.

Concept introduction: Antacids are those substances which are used to relieve indigestion by neutralizing stomach acidity. The ingredients used in them are magnesium, bismuth and calcium. Inorganic bases like $\text{Mg}{\left(\text{OH}\right)}_2$, ${\text{CaCO}}_{\text{3}}$, $\text{Al}{\left(\text{OH}\right)}_3$ and ${\text{NaHCO}}_{\text{3}}$ are used as antacids.

To determine: The substance that will neutralize more acid on a per-mole basis out of magnesium and aluminium hydroxides and if same substance also neutralizes more acid on a per-gram basis.