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LizaForever14
@LizaForever14
August 2022
1
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Помогите решить задачу, пожалуйста!!
Дано:
w (HCl) = 10%
m (CaCO3) = 60 г
m(HCl) = ?
Уравнение для задачи: 2HCl + CaCO3 = CaCl + H2O + CO2
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Answers & Comments
tonoyan
N(CaCO3)=60/100=0,6моль
(HCl)=1,2моль
m(HCl)=1,2*36,5=43,8г
m(HCl)=43,8*100/10=438г
2 votes
Thanks 1
LizaForever14
Простите, откуда вы взяли 1,2 моль?
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Answers & Comments
(HCl)=1,2моль
m(HCl)=1,2*36,5=43,8г
m(HCl)=43,8*100/10=438г