Calculation of pOH What are the pOH and the pH of a 0.0125-M solution of potassium hydroxide, KOH? Solution Potassium hydroxide is a highly soluble ionic compound and completely dissociates when dissolved in dilute solution, yielding [OH−] = 0.0125 M: pOH = −log[OH−] = −log 0....
b. pOH value; and c. Concentration of hydroxide ions [OH-]. You may input any one of them, and the remaining will be calculated, along with the result: the pH value. For the first four methods, click the related numbers section to show the pOH value, the concentration of hydroxide io...
pOH = p Kb°-logC碱 / C盐 又因pH = 14 - pOH,所以 pH = 14 -pKb°+ logC碱 / C盐 (2) 这就是计算一元弱碱及弱碱盐组成的缓冲溶液pH值的通式。 以上两种类型的缓冲溶液由于组成不同,其计算pH值的公式也不相同。这就给教师的教学和学生的学习带来一定困难。如果我们将这两种不同类型的缓冲溶液用...
Abstract:Two different kinds of pH value calculation formula about weak acid—weak acid salt and weak base—weak base acid were unified on the basis of proton theory of acids and bases, thus teaching becomes easier. Key words: buffer solution; pH value; theory of acids and bases...
6. Final Calculation: - Now substituting back into the relationship: pH+pOH=pKw=14 Conclusion:The sum of pH and pOH at 25°C is:14 Show More | ShareSaveClass 11CHEMISTRYEQUILIBRIUM Topper's Solved these Questions EQUILIBRIUM Book:CBSE COMPLEMENTARY MATERIALChapter:EQUILIBRIUM Exercise:1- MARK ...
http://www.chembuddy.com/?left=pH-calculation&right=toc Logged Chembuddy chemical calculators - stoichiometry, pH, concentration, buffer preparation, titrations.infoalextu New Member Posts: 3 Mole Snacks: +0/-0 Re: pH calculations? « Reply #4 on: October 10, 2006, 12:24:32 PM ...
NO2- + H2O => HNO2 +OH- initial [] x 0 0 change [] -y y y final [] x-y y y Kb=Kw/Ka=2.2E-11=(y^2)/(x-y) y^2 + (2.2E-11)y - (2.2E-11)x = 0 y=(-2.2E-11 + sqr(2.2E-22 - 8.8E-11x))/2 x is the concentration of NO2-, which should be provided in...
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简单体系水溶液包裹体pH和Eh的计算
Theionizationofwaterandtheionproductconstantofwater AcidityandbasicityofsolutionandpH CalculationofpH MeasurementofpH TheapplicationofpHinreallife PHvalue-waterpHvalue POHexpandeditthisparagraph,pHexplained PH(pronounced:/pi'et//pi:'eit/formula,formula)Latin: ...