Помогите, пожалуйста.. Created by tonitalent. himiya-ru

Помогите, пожалуйста...

gusmakvlad K2S+2HCl=H2S+2KCl
2K(+)+S(-2)+2H(+)+2Cl(-)=H2S+2K(+)+2Cl(-)
2H(+)+S(-2)=H2S
KOH+HNO3=KNO3+H2O
K(+)+OH(-)+H(+)+NO3(-)=K(+)+NO3(-)+H2O
OH(-)+H(+)=H2O
AgNO3+HCl=AgCl+HNO3
Ag(+)+NO3(-)+H(+)+Cl(-)=AgCl+H(+)+NO3(-)
Ag(+)+Cl(-)=AgCl

2 votes Thanks 1

kedr57 1.K2S +2HCl=2КСl +H2S↑ 2K⁺ +S⁻² +2H⁺ +2Cl⁻=2K⁺ +2Cl⁻+H2S↑
2H⁺ +S⁻²=H2S↑
2.KOH +HNO3=KNO3 +H2O K⁺ +OH⁻ +H⁺ +NO3⁻=K⁺ +NO3⁻+H2O H⁺+OH⁻=H2O
3.AgNO3+HCl=AgCl↓+HNO3 Ag⁺+NO3⁻+H⁺+Cl⁻=AgCl↓ +H⁺+NO3⁻ Ag⁺+Cl⁻=AgCl↓

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