When we titrate a weak acid with a strong base the pH at the equivalence point will be?
7.00
POINT OF EMPHASIS : The equivalence point for a weak acid-strong base titration has a pH > 7.00.
What is the pH at the equivalence point of a weak base strong acid titration if 20.00 mL of NaOCl requires 28.30 mL of 0.50 M HCl?
Question: What is the pH at the equivalence point of a weak base-strong acid titration if 20.00 mL of NaOCl requires 28.30 mL of 0.50 M HCl? Ka = 3.0.
What is pOH and its formula?
The pOH of a solution is the negative logarithm of the hydroxide-ion concentration: pOH=−log[OH−] The pH of a solution can be related to the pOH. Consider a solution with a pH =4.0. The [H+] of the solution would be 1.0×10−4M.
How do you calculate Poh in chemistry?
How to Find pOH Using Calculations. There are a few different formulas you can use to calculate pOH, the hydroxide ion concentration, or the pH (if you know pOH): pOH = -log 10 [OH -] [OH -] = 10 -pOH. pOH + pH = 14 for any aqueous solution.
What is the difference between pH and Poh?
There are several ways to define acids and bases, but pH and pOH refer to hydrogen ion concentration and hydroxide ion concentration, respectively. The “p” in pH and pOH stands for “negative logarithm of” and is used to make it easier to work with extremely large or small values.
What is an example of a weak base?
WEAK BASES. Basic Information. 1) Weak bases are less than 100\% ionized in solution. 2) Ammonia (formula = NH 3) is the most common weak base example used by instructors. 3) The acquire H + in aqueous solutions.
How do you find the POH of a negative number?
To find this on a scientific calculator, enter 4.22 x 5 (make it negative using the +/- key), press the 10 x key, and press equal to get the number in scientific notation. Now press log. Remember your answer is the negative value (-) of this number. pOH = – (-4.37) pOH = 4.37.