Example Problem 1 - Calculating the pH of a Strong Acid-Strong Base Solution 350 ml of a 0.02 molar solution of NaOH is added to 500 ml of a 0.03 molar solution of HCl. Calculate the pH for the final solution.
结果一 题目 HCL的共轭碱是什么强酸有共轭碱吗?The conjugate base of a strong acid has no measurable strength. 答案 HCl的共轭碱是Cl-,强酸的共轭碱必是弱碱相关推荐 1HCL的共轭碱是什么强酸有共轭碱吗?The conjugate base of a strong acid has no measurable strength....
The ph of a solution made up of 0.050 M acetic acid and an unknown concentration of sodium was found to be 4.50. Determine the concentration of the sodium acetate. (Ka for acetic acid is {eq}1.75 \times 10^{ - 5} {/eq}). Weak Acids and ...
Non-neutral pH readings result from dissolving acids or bases in water. Using the negative logarithm to generate positive integers, high concentrations of hydrogen ions yield a low pH number, whereas low levels of hydrogen ions result in a high pH. An acid is a substance that increases the ...
Study on leaching behavior of vanadium in acid leaching process of calcium and manganese vanadate system 【摘要】钒酸钙和钒酸锰是钒渣钙化焙烧过程中重要的焙烧产物,其在硫酸中的溶解浸出行为对提钒过程钒收率有重要影响。采用单因素试验递进式研究了浸出pH值、时间及温度对合成钒酸钙(锰)以及钒渣钙化(锰化...
What is the approximate pK of a weak acid HA if a solution 0.1 M HA and 0.3 M A− has a pH of 6.5? Henderson-Hasselbalch Equation: The buffer solution in the problem is composed of the weak acid HA and its conjugate base. The problem wants to calc...
Collagen I solution (1.5 mg/mL) was prepared by neutralizing the pH of acid-solubilized rat tail collagen I (Cultrex) with NaOH and PBS buffer. SMCs or primary SMCs (2 × 105 cells/well) were embedded in 200 μl/well neutralized collagen in 48-well ultralow attachment plates, the...
than the one below it. For example, a pH of 3 is ten times more acidicthan a pH of 4and 100 times (10 times 10) more acidic than a pH value of 5. So, astrong acidmay have a pH of 1-2,while a strong basemay have a pH of 13-14. A pH near 7 is considered to be ...
Among the derivatives of carboxylic acids, amides have the strongest stability, which is most difficult to occur hydrolysis, generally requiring reflux under strong acid or strong alkaline conditions. The amide bond has the ability to hydrolyze under acidic conditions, but it is rare to simply conne...
Answer to: What is the pH of a buffer prepared by adding 30.0 mL of 0.15 M HC_2H_3O_2 (acetic acid) to 70.0 mL of 0.20 M NaC_2H_3O_2 (sodium...