应该是:As2S3+HNO3===H3AsO4+H2SO4+NO2+H2O吧?!
利用氧化还原来配平.结果是:
As2S3+28HNO3===2H3AsO4+3H2SO4+28NO2+8H2O
配平As2S3+HNO3-H3AsO4+H2SO4+NO2+H2O
配平As2S3+HNO3-H3AsO4+H2SO4+NO2+H2O
数学人气:868 ℃时间:2019-12-11 20:51:06
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