What is the molecular weight of #NaOH#?

1 Answer
mason m
Dec 14, 2015

#40# #"g/mol"#

Explanation:

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"#.

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