已知100度的温度下水的离子积1*10-2,A:0.005mol*L-1的硫酸溶液,PH=2A:0.005mol*L-1的硫酸溶液,PH=2B 0.001mol*L-1的naoh,PH=11C0.005mol*L-1的H2so4与0.001mol*L-1的NAOH等体积混合则混合PH为6,程酸性D完全中和PH=3的H2SO4
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![已知100度的温度下水的离子积1*10-2,A:0.005mol*L-1的硫酸溶液,PH=2A:0.005mol*L-1的硫酸溶液,PH=2B 0.001mol*L-1的naoh,PH=11C0.005mol*L-1的H2so4与0.001mol*L-1的NAOH等体积混合则混合PH为6,程酸性D完全中和PH=3的H2SO4](/uploads/image/z/8214074-26-4.jpg?t=%E5%B7%B2%E7%9F%A5100%E5%BA%A6%E7%9A%84%E6%B8%A9%E5%BA%A6%E4%B8%8B%E6%B0%B4%E7%9A%84%E7%A6%BB%E5%AD%90%E7%A7%AF1%2A10-2%2CA%3A0.005mol%2AL-1%E7%9A%84%E7%A1%AB%E9%85%B8%E6%BA%B6%E6%B6%B2%2CPH%3D2A%3A0.005mol%2AL-1%E7%9A%84%E7%A1%AB%E9%85%B8%E6%BA%B6%E6%B6%B2%2CPH%3D2B+0.001mol%2AL-1%E7%9A%84naoh%2CPH%3D11C0.005mol%2AL-1%E7%9A%84H2so4%E4%B8%8E0.001mol%2AL-1%E7%9A%84NAOH%E7%AD%89%E4%BD%93%E7%A7%AF%E6%B7%B7%E5%90%88%E5%88%99%E6%B7%B7%E5%90%88PH%E4%B8%BA6%2C%E7%A8%8B%E9%85%B8%E6%80%A7D%E5%AE%8C%E5%85%A8%E4%B8%AD%E5%92%8CPH%3D3%E7%9A%84H2SO4)
已知100度的温度下水的离子积1*10-2,A:0.005mol*L-1的硫酸溶液,PH=2A:0.005mol*L-1的硫酸溶液,PH=2B 0.001mol*L-1的naoh,PH=11C0.005mol*L-1的H2so4与0.001mol*L-1的NAOH等体积混合则混合PH为6,程酸性D完全中和PH=3的H2SO4
已知100度的温度下水的离子积1*10-2,A:0.005mol*L-1的硫酸溶液,PH=2
A:0.005mol*L-1的硫酸溶液,PH=2
B 0.001mol*L-1的naoh,PH=11
C0.005mol*L-1的H2so4与0.001mol*L-1的NAOH等体积混合则混合PH为6,程酸性
D完全中和PH=3的H2SO4溶液50ml,要PH=11的NAOH50ml
已知100度的温度下水的离子积1*10-2,A:0.005mol*L-1的硫酸溶液,PH=2A:0.005mol*L-1的硫酸溶液,PH=2B 0.001mol*L-1的naoh,PH=11C0.005mol*L-1的H2so4与0.001mol*L-1的NAOH等体积混合则混合PH为6,程酸性D完全中和PH=3的H2SO4
选A.
100℃时水的离子积Kw=10^-12 ,说明c(H+)=c(OH-)=10^-6 mol,纯水的pH=6
A.1个H2SO4含有2个H+,所以H+浓度是0.005*2=0.01mol/L,pH=2
B.OH-的浓度是0.001=10^-3 mol/L,c(H+)=Kw/c(OH-)=10^-12/10^-3=10^-9 mol/L,pH=9
C.1个H2SO4含有2个H+,所以H+浓度是0.005*2=0.01mol/L,OH-的浓度是0.001mol/L,显然等体积混合酸过量,pH