NaHS = Na + HS(-)
HS(-) = H(+) + S(-2)
NaHS = Na(+) + H(+) + S(-2)
Ответ: 4
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NaHS = Na + HS(-)
HS(-) = H(+) + S(-2)
NaHS = Na(+) + H(+) + S(-2)
Ответ: 4