What is an atomic mass of NaOH ?

1 Answer
anor277
Jun 25, 2018

Well, what is the molar mass of sodium hydroxide....?

Explanation:

The molar mass of sodium hydroxide is 40.00*g*mol^-1...

But this, BY DEFINITION, specifies the mass of "Avogadro's number" formula units of sodium hydroxide....i.e. 6.022xx10^23*"formula units of sodium hydroxide per mole."

And thus the mass of ONE formula unit of sodium hydroxide is given by the quotient....

"mass"_"one formula unit of NaOH"=(40.00*g*mol^-1)/(6.022xx10^23*mol^-1)

=6.641xx10^-23*g...

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