实验中需要1mol/L的Na2CO3溶液950mL,配制时应选用容量瓶的规格和称取的Na2CO3·10 H2O的质量分别为
A.1000mL,106g | B.1000mL,286g |
C.950mL,100.7g | D.950mL,271.7g |
实验中需要1mol/L的Na2CO3溶液950mL,配制时应选用容量瓶的规格和称取的Na2CO3·10 H2O的质量分别为
A.1000mL,106g | B.1000mL,286g |
C.950mL,100.7g | D.950mL,271.7g |
试题篮
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