2Na2SO4的精选

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 反应2NaClO3+Na2SO3+H2SO4===2ClO2↑+2Na2SO4+H2O可制备高效消毒剂ClO...

 反应2NaClO3+Na2SO3+H2SO4===2ClO2↑+2Na2SO4+H2O可制备高效消毒剂ClO...

2019-07-12
问题详情: 反应2NaClO3+Na2SO3+H2SO4===2ClO2↑+2Na2SO4+H2O可制备高效消毒剂ClO2。对于该反应,下列说法正确的是A.H2SO4是氧化剂                   B.NaClO3被氧化C.Na2SO4是还原产物D.当转移1mol电...
根据反应:2H2S+O2===2S↓+2H2O,4NaI+O2+2H2SO4===2I2+2Na2SO4+2H...

根据反应:2H2S+O2===2S↓+2H2O,4NaI+O2+2H2SO4===2I2+2Na2SO4+2H...

2022-01-06
问题详情:根据反应:2H2S+O2===2S↓+2H2O,4NaI+O2+2H2SO4===2I2+2Na2SO4+2H2O,Na2S+I2===2NaI+S↓.下列物质的氧化*强弱判断正确的是  ()A.O2>I2>S              B.H2S>NaI>H2OC.S>I2>O2              ...