实验中需要1mol•L-1的Na2CO3溶液950mL,配制时应选用容量瓶的规格
问题:
实验中需要1mol•L-1的Na2CO3溶液950mL,配制时应选用容量瓶的规格和称取的Na2CO3•10H2O的质量分别为( )
A.950mL,100.7g
B.1000mL,286g
C.500mL,286g
D.1000mL,212g
实验中需要1mol•L-1的Na2CO3溶液950mL,配制时应选用容量瓶的规格和称取的Na2CO3•10H2O的质量分别为( )
A.950mL,100.7g
B.1000mL,286g
C.500mL,286g
D.1000mL,212g