Chapter 21, Problem 21.85QP

Interpretation Introduction

Interpretation: The amount of magnesium hydroxide that is needed to neutralize $1\text{15}\text{mL}$ of $0.\text{75}\text{M}$ stomach acid is to be calculated.

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 $\text{Mg}{\left(\text{OH}\right)}_2$, ${\text{CaCO}}_{\text{3}}$ and ${\text{NaHCO}}_{\text{3}}$ are used as antacids.

To determine: The amount of magnesium hydroxide in grams, which is needed to neutralize $1\text{15}\text{mL}$ of $0.\text{75}\text{M}$ stomach acid.