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Mol/Mol Calculation: Detailed Solution

How many milliliters of 3.00 M hydrochloric acid would be needed to react completely with a milk of magnesia tablet that contains 310 mg of Mg(OH)2? The neutralization reaction produces magnesium chloride, MgCl2, and water.

Solution Preview

First we need a chemical equation.

HCl + Mg(OH)2 -----> MgCl2 + H2O

We know this is true because we have an acid/base reaction, which produces a salt and water. Now we need to balance it:

2 HCl + Mg(OH)2 -----> MgCl2 + 2 H2O

Now we can answer the question. All of these ...