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ksukitkot777
@ksukitkot777
August 2022
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СРОЧНООО!!! ДАЮ 20 БАЛЛОВ!!!!
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Answers & Comments
sugarsugar11
1. Ca, F2
3. Cl2O
w(CL) = 36,5*2*100/89=82%
w(O) = 16*100/89= 18%
Cl2O7
w(cL)= 36,5*2*100/185=39,5%
w(O)=16*7*100/185=60,5
4. a) 4Al+ 3O2 = 2Al2O3
б) 2AgCl= 2Ag +Cl2
5. m(Fe) = w* m(сплава) /100 = 98,5*2/100 = 1,97 кг
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Answers & Comments
3. Cl2O
w(CL) = 36,5*2*100/89=82%
w(O) = 16*100/89= 18%
Cl2O7
w(cL)= 36,5*2*100/185=39,5%
w(O)=16*7*100/185=60,5
4. a) 4Al+ 3O2 = 2Al2O3
б) 2AgCl= 2Ag +Cl2
5. m(Fe) = w* m(сплава) /100 = 98,5*2/100 = 1,97 кг