Answer:-
The molar mass of NaOH (sodium hydroxide) is 39.997 g/mol, often rounded to 40 g/mol for simplicity. You calculate it by adding the atomic masses of its elements: sodium (Na) is about 22.99 g/mol, oxygen (O) is 16.00 g/mol, and hydrogen (H) is 1.01 g/mol. Together, that gives NaOH a total of roughly 40 grams per mole. This value is important in chemistry for converting between grams and moles during chemical reactions or lab work. Knowing the molar mass helps in accurately measuring how much NaOH to use in solutions, titrations, and various industrial or laboratory processes.
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