将0.05mol\L的盐酸和某浓度的NaOH以体积比1:2混合后,PH=12求:(1)HCl与NaOH等体积混合后,PH?(2)HCl与NaOH以n:1体积混合后,随n不同取值范围,PH=?
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![将0.05mol\L的盐酸和某浓度的NaOH以体积比1:2混合后,PH=12求:(1)HCl与NaOH等体积混合后,PH?(2)HCl与NaOH以n:1体积混合后,随n不同取值范围,PH=?](/uploads/image/z/6848633-65-3.jpg?t=%E5%B0%860.05mol%5CL%E7%9A%84%E7%9B%90%E9%85%B8%E5%92%8C%E6%9F%90%E6%B5%93%E5%BA%A6%E7%9A%84NaOH%E4%BB%A5%E4%BD%93%E7%A7%AF%E6%AF%941%3A2%E6%B7%B7%E5%90%88%E5%90%8E%2CPH%3D12%E6%B1%82%EF%BC%9A%EF%BC%881%EF%BC%89HCl%E4%B8%8ENaOH%E7%AD%89%E4%BD%93%E7%A7%AF%E6%B7%B7%E5%90%88%E5%90%8E%2CPH%3F%EF%BC%882%EF%BC%89HCl%E4%B8%8ENaOH%E4%BB%A5n%3A1%E4%BD%93%E7%A7%AF%E6%B7%B7%E5%90%88%E5%90%8E%2C%E9%9A%8Fn%E4%B8%8D%E5%90%8C%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4%2CPH%3D%3F)
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将0.05mol\L的盐酸和某浓度的NaOH以体积比1:2混合后,PH=12求:(1)HCl与NaOH等体积混合后,PH?(2)HCl与NaOH以n:1体积混合后,随n不同取值范围,PH=?
将0.05mol\L的盐酸和某浓度的NaOH以体积比
1:2混合后,PH=12求:
(1)HCl与NaOH等体积混合后,PH?
(2)HCl与NaOH以n:1体积混合后,随n不同取值范围,PH=?
将0.05mol\L的盐酸和某浓度的NaOH以体积比1:2混合后,PH=12求:(1)HCl与NaOH等体积混合后,PH?(2)HCl与NaOH以n:1体积混合后,随n不同取值范围,PH=?
NAOH~HCL,设HCL为0.05V,NAOH 2VC,2VC-0.05V=0.01V.(OH-=0.01)得C=0.03,等体积,HCL过量,H+=0.05-0.03=0.02,PH=2(PH为H+的浓度).2,当0.03N=0.05,N=3/5,PH=7.当N>3/5,HCL过量,PH= Lg(0.05-0.03N) 当N