вычислите массовые доли элементов в веществах: MgBr2, CuSO4. Created by lookaremore. himiya-ru

вычислите массовые доли элементов в веществах: MgBr2, CuSO4...

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вычислите массовые доли элементов в веществах: MgBr2, CuSO4

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Doc2100 MgBr2
M(MgBr2)=184 Г/МОЛЬ
w(Mg)=24/184*100%=13%
w(Br2)=100%-13%=87%

CuSO4
M(CuSO4)= 152 Г/МОЛЬ
w(S)=32/152*100%=21%
w(O4)=56/152*100%=36%
w(Cu)=100%-36% -21%=43%

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paskal dan massiv iz 10 sluch chisel chisla v intervale ot 15 do 80 vyvesti na

hordy ab i cd peresekayutsya v tochke e najdite ugol bec esli ad 108 i cb 13b324d391e41fce64ba120b25eefb834 34093

gen otvechayushij za normalnuyu svertyvaemost krovi u cheloveka yavlyaetsya dominantny

pomogite pozhalujstac633e7259aa63c37eb3bd68f342fe375 69763

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