To find the pOH, we use the formula:pOH=−log(OH−) Substituting the value:pOH=−log(0.01)=−log(10−2)=2 Step 6: Calculate the pHUsing the relationship between pH and pOH:pH+pOH=14 We can rearrange this to find pH:pH=14−pOH=14−2=12 Final AnswerThe pH value of ...
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...
Thus, you can calculate pH if you know this value using the following formula: pH = 14 – pOH You can also calculate pOH in the same manner: pOH = 14 – pH As you can see from these formulas, the higher the concentration of hydrogen ions, the lower the pH will be, and the more...
Ka values can be easily looked up online, and you can find the pKa using the same operation as for pH if it is not listed as well.Online pH and pOH calculator See the Resources for a web tool that allows you to determine the pH of various acidic and basic solutions. You can use ...
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...
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...
Given Data: The pH value of an aqueous solution is 4.8. To Calculate: The pOH value. The formula is given below. {eq}{\rm{pH}} + {\rm{pOH}} =...Become a member and unlock all Study Answers Try it risk-free for 30 days Try it risk-free Ask a question Our experts...
=>pKw = pH + pOH = 14 The value of pKw controls the relative concentrations of hydrogen and hydroxyl ions as their product is always constant. pH of acids and bases can be roughly calculated with the help of pH scale while for accurate values we use pH meters. pH Example Chart pH Valu...
Which acid has the formula HNO2? What is the Arrhenius theory of ionization? What is an arrhenius base? What is the charge on the hydronium ion? What is the charge on a hydronium ion? Which graph best represents the relationship between pOH and OH-?
If the solution has pOH of 11.30 what is the :pH, {H+} and {OH-}? A solution of a strong acid has a pH of 3. What is the concentration of hydronium ions in this solution? (Hint: What is the pH of a 0.12 m solution of HNO3?