Вычислите относительную молекулярную массу метана
sadovskaya02
1
19.06.2019 22:10
1
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1
етан С2Н6 12*2+1*6=24+6=30
пропан С3Н8 12*3+1*8=36+8=44
бутан С4Н10 12*4+1*10=48+10=58
пентан С5Н12 12*5+1*12=60+12=72