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Nastyled
03.10.2020 07:49
Химия
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K2S+2HNO3=2KNO3+H2S

2K(+) + S(2-) + 2H(+) + 2NO3(-) = 2K(+) + 2NO3(-) +H2S

2H(+) + S(2-) = H2S

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