,0.10mol/LH3PO4溶液,0.10mol/LNAHS溶液,0.10mol/LNH3和,0.10mol/LHCL等体积混合_化学解答

,0.10mol/LH3PO4溶液,0.10mol/LNAHS溶液,0.10mol/LNH3和,0.10mol/LHCL等体积混合求PH求大神帮忙急

人气：290 ℃　时间：2019-10-10 03:30:00

解答

PH=-lg√7.6×10^-3×0.1=1.56
PH=(P1.07×10^-7+P1.03×10^-13)/2=(6.97+12.99)=9.98
pH=-lg√(10^-14/1.76×10^-5×0.05)=5.27