問題詳情

50.tA 100.0 mL sample of an aqueous solution at 27°C contains 15.2 mg of an unknown nonelectrolyte compound. If the solution has an osmotic pressure of 7.60 torr, which one is the unknown compound?
(A) C8H18N2O2
(B)tC6H12O6
(C)tC12H22O11
(D)tC20H22O7
(E)tC21H20O11

參考答案

答案:D

統計:A:0,B:0,C:2,D:5,E:0

難度:計算中