Наведiть приклади молекулярних рiвнянь двох хiмiчних реакцiй якiможна виразити одним iонним рiвнянням: nh4+oh=nh3+h2o

Nh₄cl + koh = nh₃ + h₂o + kcl nh₄⁺ +  cl⁻  + k⁺ +  oh⁻ = nh₃ + h₂o + k⁺ +  cl⁻. nh₄⁺   +  oh⁻ = nh₃ + h₂o 

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  х г                                                                       336 л   zn           +               2hcl       ->       zncl2     +     h2 n=1 моль                                                             n=1 моль м = 65 г/моль                                                   vm=22,4 л/миоль m=65 г                                                               v = 22,4 л х г zn     -     336 л н2 65 г zn   -     22,4 л н2 m(zn) = 65 * 336 / 22,4 =975 г