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QUESTION
What is the molar mass of sodium hydroxide?
The molecular molar mass consists of the atomic masses of each atom.
Sodium hydroxide is ##"NaOH"##. Thus, its molar mass involves:
- ##"M"_"Na" = "22.989 g/mol"##
- ##"M"_"O" = "15.999 g/mol"##
- ##"M"_"H" = "1.0079 g/mol"##
So, its molar mass is ##22.989 + 15.999 + 1.0079 = color(blue)("39.996 g/mol")## to 5 sig figs.
