5.4 г 3.4 г
2Ca + O2 = 2CaO
0.135 0.106
0.135 / 1 = 0.135 моль CaO.
m = n * M
m = 0.135 * 56 = 7.56 грамм
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5.4 г 3.4 г
2Ca + O2 = 2CaO
0.135 0.106
0.135 / 1 = 0.135 моль CaO.
m = n * M
m = 0.135 * 56 = 7.56 грамм