What is the molecular weight of $NaOH$ ?

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Answer 1 · 2015-12-14T01:38:36

$40$ $"g/mol"$

Take the sum of the molar masses of each element.

$"molar mass of Na"=22.990$ $"g/mol"$
$"molar mass of O"=15.999$ $"g/mol"$
$"molar mass of H"=1.008$ $"g/mol"$

The sum is $39.997$ $"g/mol"$ . This can be rounded to an even $40$ $"g/mol"$ .

What is the molecular weight of NaOHNaOH?