2 С(n)H(2n)(OH)(2)+ (2n+1) O(2)= 2n CO(2) + 2n H(2)O
2n=0.9/18=0.05
n=0.01
1.76/(2*44)/2=0.1
0.9/0.01=90
12*n+2*n+17*2= 90
14*n+34=90
n=(90-34)/14=4
ответ C4H8(OH)2
2 С(n)H(2n)(OH)(2)+ (2n+1) O(2)= 2n CO(2) + 2n H(2)O
2n=0.9/18=0.05
n=0.01
1.76/(2*44)/2=0.1
0.9/0.01=90
12*n+2*n+17*2= 90
14*n+34=90
n=(90-34)/14=4
ответ C4H8(OH)2