Question

решите 2. пиллииз help

Answer 1

K2S+2AgNO3-->2KNO3+Ag2S↓

2K⁺ + S²⁻ + 2Ag⁻+2NO3⁻ -->2K⁺+2NO3⁻+Ag2S
S²⁺+2Ag⁺-->Ag2S

MgSO4+Ba(NO3)2-->BaSO4↓+Mg(NO3)2

Mg²⁺ +SO4²⁻+Ba²⁺+2NO3⁻-->BaSO4+Mg²⁺+2NO3⁻
SO4²⁻+Ba²⁺-->BaSO4

H2S+ZnCL2-->2HCL+ZnS↓

2H⁺+S²⁻+Zn²⁺+2CL⁻-->2H⁺+2CL⁻+ZnS
S²⁻+Zn²⁺-->ZnS