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Basic Chemistry

Question

What is the molar mass of sodium hydroxide?

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Solution

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The molecular molar mass consist of the atomic masses of each atom.

Sodium hydroxide is $$NaOH$$.

Thus, its molar mass involves:
$$\bullet M_{Na}=22.989\ g/mol$$
$$\bullet M_O=15.999\ g/mol$$
$$\bullet M_H =1.0079\ g/mol$$

So, its molar mass is $$22.989+15.999+1.0079=39.996\ g/mol$$ to $$5$$ sig figs

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