Ответ учителя по предмету Химия
дано
m(CuO)=8 g
m(HCL)=3.65 g
———————
m(CuCL2)-?
M(CuO)=79.5 g/mol
n(CuO)=m/M=8/79.5 = 0.1 mol
M(HCL)=36.5 g/mol
n(HCL)=3.65 / 36.5=0.1
Прореагируют полностью СuO ,HCL
8 X
CuO+2HCL—>CuCL2+H2O M(CuCL2)=134.5 g/mol
79.5 134.5
X=8*134.5 / 79.5
X=13.53 g
ответ 13.53 г
Похожие вопросы от пользователей
If I take my umbrella, I won’t get wet.
They won’t miss their plane if they wake up early.
If Bruce asks me, I will say ‘yes’.
If I can’t become a teacher, I’ll become an actor.
If you ask, I will tell you an answer.
We will go to the party if they invite us.
If you go to the theater, you will enjoy the play.
If he has a ticket, they won’t buy it for him.
He will not get a job if he doesn’t wear a tie.
If we find another flat, we will move.
Ba-BaO-BaCo3-Co2-H2Co3-CaCo3-CaO-CaS