For instance, if 5 liters of 15% hydrogen peroxide (H2O2) solution was in a container, we should be able to determine the actual amount of acid there is in the solution. It turns out, only 15% of the solution is acid; the rest is water.
Hydrogen peroxide is a colorless liquid at room temperature with a bitter taste. Small amounts of gaseous hydrogen peroxide occur naturally in the air. Hydrogen peroxide is unstable, decomposing readily to oxygen and water with release of heat. Although nonflammable, it is a powerful oxidizing agent that can cause spontaneous combustion when it comes in contact with organic material.
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