What is the formula weight of silver chromate (Ag_2CrO_4) in amu?

1 Answer
Nov 13, 2016

The formula weight for "Ag"_2"CrO"_4" is "331.728 u".

Explanation:

In order to determine the formula weight of a compound, multiply the atomic weight on the periodic table of each element by its subscript and add the results.

Compound: silver chromate
Formula Unit: "Ag"_2"CrO"_4"

(2xx"107.868 u Ag")+(1xx"51.9961 u Cr")+(4xx"15.999 u O")="331.728 u"