The molar mass of barium nitrate (Ba(NO_3)_2) is 261.35 g/mol. What is the mass of 5.30 x 10^22 formula units of Ba(NO_3)_2?

1 Answer
anor277
Jul 21, 2016

Well, how many barium nitrate formula units are in 261.35*g?

Explanation:

It is fact that 6.023xx10^23 formula units of barium nitrate have a mass of 261.35*g. This is what we specify when we say molar mass. And thus the mass of 5.30xx10^22 formula units of barium nitrate is the quotient multiplied by the molar mass:

(5.30xx10^22)/(6.023xx10^23)molxx261.35*g*mol^-1 =??g

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