Предмет: Химия, автор: lilililiza

РЕБЯТ ПОМОГИТЕ СРОЧНО
ДАЮ 20 БАЛЛОВ!
Расчитайте и укажите массу пропановой кислоты (в граммах), которую можно получить, используя 120 мл технического пропан-1-ола (плотность 0.80 г/см3), который содержит 6.25 процентов примесей.

Ответы

Автор ответа: bektosh99161
2
m=120мл×0,8r/моль=96г

96---------100%
Xr-----------6,25

Xr=6,24r
96-6,24=89,76r C3H7OH

89,76 Yr
C3H7OH-------->C2H5COOH
60/моль 74r/моль


Yr= 110,7r

Oтвет: 110,7г С2Н5СООН
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