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Chemistry, 08.10.2019 18:30 Cinic21

2. _sn+ _naoh→_nasno2 + _h2
3._h2so4+ _nacn » _hcn + _na2so4

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2. _sn+ _naoh→_nasno2 + _h2
3._h2so4+ _nacn » _hcn + _na2so4...
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