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A.需要80%145.5ml,25%854.5mlB.需要80%344.5ml,25%656.5mlC.需要8……

需要50%的NaCl溶液1000ml,现有80%和25%浓度的NaCl溶液,将如何配置

A.需要80%145.5ml,25%854.5ml
B.需要80%344.5ml,25%656.5ml
C.需要80%336.5ml,25%633.5ml
D.需要80%454.5ml,25%545.5ml
E.需要80%498.0ml,25%502.0ml
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