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数学
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K2Cr2O7+H2SO4+K2SO3=K2SO4+Cr2(SO4)3+H2O
P+CuSO4+H2O=H3PO4+Cu3P+H2SO4
请将以上两个方程式配平
谢谢o(∩_∩)o
人气：461 ℃ 时间：2020-03-22 11:55:47
解答
K2Cr2O7+4H2SO4+3K2SO3=4K2SO4+Cr2(SO4)3+4H2O
11P＋15CuSO4+24H2O=6H3PO4+5Cu3P+15H2SO4
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K2Cr2O7+CH3CH2OH+H2SO4－－Cr2(SO4)3+CH3COOH+K2SO4+H2O
＿K2Cr2O7+＿H2SO4＋＿FeSO4＝＞＿Fe2(SO4)3+＿K2SO4+＿Cr2(SO4)3+＿H2O
配平K2Cr2O7+KI+H2SO4---K2SO4+I2+Cr2(SO4)3+H2O
配平 k2cr2o7 + ki + h2so4---k2so4+ cr2(so4)3+ i2+ h2o
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