实验室中要配制2mol/L的NaCl溶液980 ml,配制时应选用的容量瓶的规格和称取的NaCl的质量分别是( )
A.980 ml ,114.7g | B.500ml, 58.5g |
C.1000 ml, 117 g | D.1000ml, 117.0g |
实验室中要配制2mol/L的NaCl溶液980 ml,配制时应选用的容量瓶的规格和称取的NaCl的质量分别是( )
A.980 ml ,114.7g | B.500ml, 58.5g |
C.1000 ml, 117 g | D.1000ml, 117.0g |