@本山季花 省级精品课程申报 ao小-8g-aim eo,)小--ia 1-(NZ(Na+O(O)+(KK)+(NONO)1 =号I0.01×+12+0.005×-2y2+0.10×(+12+0.10x617 =0.115molL 18.100 mL of 0.100 mol-L HA solution was mixed with 50 mL of 0.100 mol-LNaOH solution,the pH of the mixed solution was equal to 5.67.Calculate the proton transfer equilibrium constant of HA. 解： A]=Na0=01050-33x102atH']=100=214x10-a 3.3x10 19.In a solution of NHAc,if c(NHAc)=0.1 mol-L,the concentration of proton would be A.0.IKme B.0.IKxH C.√KHe·KNH D.√Ke"KKNH, E.VKNH·K/KH Answer:D 20.At the temperature of the human body,37C,the value of Kis 2.4x104.Which of the following is right? A.[H]=[OH]=10mol-L B.I7=IOH]=1.55×10'moL C.pH+pOH=14 D.[H']<[OH]=10mol-L E.pH+pOH>14 >