Tìm Hidrocacbon KHÓ

P

py_yoong

C

codelyoko712

$Ba(OH)_2$ dư nên $n_{\downarrow} = n_{CO_2} = 0.6mol$

$\Delta m_{dd} = m_{\downarrow} - (m_{CO_2}+m_{H_2O})$

$77.4=118.2-(0.6*44+18n_{H_2O})$

$n_{H_2O}=0.8$

$n_{H_2O} > n_{CO_2}$ nên A là ankan

mà $n_A=0.2$ nên em nó là $C_3H_8$ :p
 
You must log in or register to reply here.
Top Bottom