4,63-79%
x -100%
x=5,86;
CnH2n+1-COONa+NaOH=Na2CO3+CnH2n+2
n(CnH2n+2)=5,86:22,4=0,26; n(CnH2n+1-COONa)=0,26;
M(CnH2n+1-COONa)=28,8:0,26=110;
14n+12+32+23=110
14n+68=110
14n=42
n=3 ответ:С3Н6-пропан.
4,63-79%
x -100%
x=5,86;
CnH2n+1-COONa+NaOH=Na2CO3+CnH2n+2
n(CnH2n+2)=5,86:22,4=0,26; n(CnH2n+1-COONa)=0,26;
M(CnH2n+1-COONa)=28,8:0,26=110;
14n+12+32+23=110
14n+68=110
14n=42
n=3 ответ:С3Н6-пропан.