7,5 11
СxНy + О2 = СО2 + Н2О x = 7,5 . 44/ 11 = 30
x 44
Mr( СxНy ) = 30
Mr( С2Н6 ) = 30
| 1 I 50г | 12г | 38г | 24% |
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| 2 | 20г | 2,5г | 17,5г | 12,5% |
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| 3 | 400г | 200г | 200г | 50% |
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