問題詳情

26. A 0.100 g sample of the weak acid HA (molar mass = 100 g/mol) is dissolved in 500 g water.The freezing point of the resulting solution is -0.0056 *C. Calculate the value of Ka for thisacid. Assume molarity equals molality in this solution. (The molal freezing point depressionconstant Kris 1.86 ℃)
(A)


(B)


(C)


(D)


(E)

參考答案

答案:[無官方正解]
難度:計算中-1
書單:沒有書單,新增