calculate the concentration of the CA(OH)2 and the pH of the solution of 0.001mol of Ca(OH)2 in 100ml of water at 25°C. 相关知识点: 试题来源: 解析 Without any given statistics? According to my appendice attached in my Inorganic Chemistry, the Ksp value of Ca(OH)2 should be ...
Calculate the concentration of sodium acetate needed to produce a pH of 5.0 in a solution of acetic acid(0.10 mol·L-1)at 25℃. pKa for acetic acid is 4.74 at 25℃.相关知识点: 试题来源: 解析 已知乙酸的,乙酸浓度ca=0.10mol·L-1, 由于乙酸与乙酸钠构成缓冲溶液,设乙酸钠浓度为cb。 ca/cb...
pH = 1 {H_3 O^+} = _ M c). pH = 6 {H_3 O^+} = _ M Calculate pH for each H_3O^+ concentration: a) [H_3O^+] = 1 * 10^-7 M pH = b) [H_3O^+] = 0.1 M pH = c) [H_3O^+] = 1 * 10^-12 M pH = Calcul...
pH=-log(H+). Determine the negative log of the H+ concentration using your calculator. You will arrive at the pH value of the unknown solution. If your solution is acidic, you will have a pH less than seven; if neutral, a pH equal to seven; and if basic, a pH greater than seven...
The concentration (expressed in Molarity) of the hydroxide ion was provided in the problem. It is necessary to know that we can directly calculate the pOH of the solution from the given concentration of the hydroxide ion. Then we can further calculate the pH value using the...
题目 Calculate the hydroxide ion concentration, the percent reaction, and the pH of a 0.050 mol×L-1 solution of sodium acetate. (For acetic acid, Ka=1.74×10-5) . 相关知识点: 试题来源: 解析解:NaAc的Kb=101、.00/1.74´105、 = 5.75´101、...
Calculate the concentration of sodium acetate needed to produce a pH of 5.0 in a solution of acetic acid (0.10mol×L-1) at 25℃. pKa for acetic acid is 4.756 at 25℃. 相关知识点: 试题来源: 解析 解: pH = pKa lgca/cb lgca/cb = pKa pH = 4.756 5.0 = 0.24...
You can calculate the percentage of ionization of an acid given its pH in the following way: Step 1: Convert pH to [H+] pH is defined as -log [H+], where [H+] is the concentration of protons in solution in moles per liter, i.e., its molarity. ...
Step 5: Calculate the concentration of H+Now, we can find the concentration of H+: Concentration of H+=Total moles of H+Total volume=0.008mol1L=0.008M=8×10−3M Step 6: Calculate the pHFinally, we can calculate the pH using the formula: pH=−log(H+) Substituting the concentration...
Step 3:Subtract the smaller number of moles from the larger number. Step 4:Divide the number of moles by the total amount of volume used to get the concentration. Step 5:Plug the concentration value into the correct formula and use it to calculate pH. ...