将600g浓度为95%的酒精,稀释成浓度为75%的消毒酒精,需要加入蒸馏水
2023-07-01
A.130g
B.140g
C.150g
D.160g
E.170g
参考答案:D
B.140g
C.150g
D.160g
E.170g
参考答案:D
600g×95%÷75%-600g=160g
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2023-07-01
600g×95%÷75%-600g=160g
热门标签