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djulya002
@djulya002
August 2022
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Задачу c решите пожалуйста
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udodovi
C1)
хг 40г
H2SO4+2NaOH=Na2SO4+2H2O
98г 80г
м в-ва = мр-ра * ω/100% = 200*20%/100%=40г
х=98*40/80= 49г m (H2SO4)
2моль хл
B3) H2+Cl2=2HCl
1моль 44,8л
х= 2*44,8/1= 89,6л V(HCl)
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djulya002
спасибо большое
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Answers & Comments
хг 40г
H2SO4+2NaOH=Na2SO4+2H2O
98г 80г
м в-ва = мр-ра * ω/100% = 200*20%/100%=40г
х=98*40/80= 49г m (H2SO4)
2моль хл
B3) H2+Cl2=2HCl
1моль 44,8л
х= 2*44,8/1= 89,6л V(HCl)