Ответ:
H₂S+Zn(NO₃)₂ = ZnS↓ + 2HNO₃
ПИУ: Н₂S + Zn²⁺ + 2NO₃⁻ = ZnS↓ + H⁺ + NO₃⁻
СИУ: H₂S + Zn²⁺ = ZnS↓ + H⁺
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Ответ:
H₂S+Zn(NO₃)₂ = ZnS↓ + 2HNO₃
ПИУ: Н₂S + Zn²⁺ + 2NO₃⁻ = ZnS↓ + H⁺ + NO₃⁻
СИУ: H₂S + Zn²⁺ = ZnS↓ + H⁺