題目列表(包括答案和解析)
實驗室中需要配制2mol·L-1 NaOH的溶液430mL,配制時應(yīng)選用的容量瓶的規(guī)格和稱取NaOH的質(zhì)量分別是
A.500mL,40g B.500mL,34.4g C. 430mL,34.4g D.430mL,40g
A.500mL,40g | B.500mL,34.4g | C.430mL,34.4g | D.430mL,40g |
實驗室中需要配制2mol·L-1 NaOH的溶液430mL,配制時應(yīng)選用的容量瓶的規(guī)格和稱取NaOH的質(zhì)量分別是
A.500mL,40g | B.500mL,34.4g | C.430mL,34.4g | D.430mL,40g |
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