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123456789959
@123456789959
July 2022
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КӨМЕК КЕРЕК құрамында 12% қоспасы бар 2 т əктасты қыздырғанда түзілетін көміртек (IV) оксидінің массасын есептендер?
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shakha2017
Verified answer
W(CaCO3)=100%-12%=88%
m(CaCO3)=88%*2т/100%=1,76т
M(CaCO3)=100г/моль
M(СО2)=44г/моль
1,76т Хт
CaCO3=CaO+CO2
100г 44г
m(CO2)=Х=44г*1,76т/100г=0,7744т=774.4г
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Verified answer
W(CaCO3)=100%-12%=88%m(CaCO3)=88%*2т/100%=1,76т
M(CaCO3)=100г/моль
M(СО2)=44г/моль
1,76т Хт
CaCO3=CaO+CO2
100г 44г
m(CO2)=Х=44г*1,76т/100г=0,7744т=774.4г