Ответ:
C(+4) O(-2)
N(+3) H(-1)
C(+4) Cl(-1)
H(+1) O(-2)
Pb(+2) O(-2)
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Ответ:
C(+4) O(-2)
N(+3) H(-1)
C(+4) Cl(-1)
H(+1) O(-2)
Pb(+2) O(-2)