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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Ответ:
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%
Ответ:
Energy?
Explanation:
Im not 100 % sure