Ответ:
D=Mr1/Mr2
Mr2=29(масса воздуха)
D=2
Mr1=?
Mr1=Mr2*D=29*2=58
CnH2n+2+(1.5n+0.5)O2 =nCO2+(n+1)H2O
CnH2n+2=58
12n+2n+2=58
14n+2=58
14n=56
n=56/14
n=4
C4H2*4+2=C4H10(бутан)
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Ответ:
D=Mr1/Mr2
Mr2=29(масса воздуха)
D=2
Mr1=?
Mr1=Mr2*D=29*2=58
CnH2n+2+(1.5n+0.5)O2 =nCO2+(n+1)H2O
CnH2n+2=58
12n+2n+2=58
14n+2=58
14n=56
n=56/14
n=4
C4H2*4+2=C4H10(бутан)