問題詳情

18. What is the volume, in cm3
, of the final solution if 100 cm3
of a solution containing 1.42 g of sodium sulfate,
Na2SO4, is diluted to the concentration of 0.020 mol dm–3? Mr(Na2SO4) = 142
(A) 50
(B) 400
(C) 500
(D) 600

參考答案

答案:C

統計:A:0,B:1,C:2,D:0,E:0

難度:計算中

用户評論

Kai】評論

此為簡單的濃度計算問題,