Question
In a 1 molar solution, ____ can be thought of as the number of protons a molecule of acid can release in solution.
Answer
In a 1 molar solution, normality can be thought of as the number of protons a molecule of acid can release in solution.
For example, each molecule of H2SO4 can release two protons in solution, so its normality is 2.
Normality is equal to the number of equivalents of interest per liter of solution. An equivalent of interest is a measure of the number of molecules there are to react.
For example, H2SO4 could dissociate twice to give 2 protons into solution. This means, in a solution of base, it will be able to react with the OH groups not once but twice. Therefore, it's normality will be equal to twice it's molarity. (6M would be 12N).
To calculate the normality of a solution, you must know what purpose the solution serves and which species is the reactive species. Then, the normality will equal the molarity of the reactive species multiplied by the number of times it could react.
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