mC : mO = 3 : 4
3g + 4g = 7g
7g tlenku ---- 100%
3g węgla ---- x%
x = 42,86% węgla
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mC : mO = 3 : 4
3g + 4g = 7g
7g tlenku ---- 100%
3g węgla ---- x%
x = 42,86% węgla