hfigard1937 hfigard1937

18-06-2018
Chemistry

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Determine the chemical formula of each compound and then use it to calculate the mass percent composition of each constituent element.

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18-06-2018

For example
Na2CO3
[na=23 o=16c=12]
2x23+12
+16x3
46+12+48
106
%comp of Na=46/110x106=44%
%comp of C =12/110x106=12%
% comp o O=48/110x106= 46%

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