题目内容
实验中需1mol/L的CuSO4溶液950mL,配制时应选用的容量瓶的规格和称取的胆矾的质量分别是:( )
A.950mL,152g | B.950mL, 237.5g |
C.1000mL,160g | D.1000mL,250g |
D
略
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题目内容
A.950mL,152g | B.950mL, 237.5g |
C.1000mL,160g | D.1000mL,250g |