已知14 mol/L的H2SO4溶液的溶质质量分数为80%已知14 mol/L的H2SO4溶液的溶质质量分数为80%,那么7 mol/L的H2SO4溶液的溶质质量分数为( )A.大于40% B.等于40%C.小于40%
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![已知14 mol/L的H2SO4溶液的溶质质量分数为80%已知14 mol/L的H2SO4溶液的溶质质量分数为80%,那么7 mol/L的H2SO4溶液的溶质质量分数为( )A.大于40% B.等于40%C.小于40%](/uploads/image/z/9797939-35-9.jpg?t=%E5%B7%B2%E7%9F%A514+mol%2FL%E7%9A%84H2SO4%E6%BA%B6%E6%B6%B2%E7%9A%84%E6%BA%B6%E8%B4%A8%E8%B4%A8%E9%87%8F%E5%88%86%E6%95%B0%E4%B8%BA80%25%E5%B7%B2%E7%9F%A514+mol%2FL%E7%9A%84H2SO4%E6%BA%B6%E6%B6%B2%E7%9A%84%E6%BA%B6%E8%B4%A8%E8%B4%A8%E9%87%8F%E5%88%86%E6%95%B0%E4%B8%BA80%25%2C%E9%82%A3%E4%B9%887+mol%2FL%E7%9A%84H2SO4%E6%BA%B6%E6%B6%B2%E7%9A%84%E6%BA%B6%E8%B4%A8%E8%B4%A8%E9%87%8F%E5%88%86%E6%95%B0%E4%B8%BA%28%E3%80%80%E3%80%80%29A%EF%BC%8E%E5%A4%A7%E4%BA%8E40%25++++++++++++++++++++++++++++++++++++B%EF%BC%8E%E7%AD%89%E4%BA%8E40%25C%EF%BC%8E%E5%B0%8F%E4%BA%8E40%25)
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