а)ch3coona+hcl=ch3cooh+nacl
ch3coo(-)+na(+)+h(+)+cl(-)=na(+)+cl(-)+ch3cooh
б)bacl2+na2cro4=bacro4+2nacl
ba(2+)+2cl(-)+2na(+)+cro4(2-)=bacro4+2na(+)+2cl(-)
в)agso3+nai=nano3+agi
ag(+)+so3(2-)+na(+)+i(-)=na(+)+no3(-)+agi
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Answers & Comments
а)ch3coona+hcl=ch3cooh+nacl
ch3coo(-)+na(+)+h(+)+cl(-)=na(+)+cl(-)+ch3cooh
б)bacl2+na2cro4=bacro4+2nacl
ba(2+)+2cl(-)+2na(+)+cro4(2-)=bacro4+2na(+)+2cl(-)
в)agso3+nai=nano3+agi
ag(+)+so3(2-)+na(+)+i(-)=na(+)+no3(-)+agi