Chemistry Homework Help

Browse Homework Solutions

176 solutions

Weak Acid Strong Base Titrations

Q. I know how to solve the problem but how to come to the conclusion that its basic AFTER the equivalence point and not BEFORE? Test coming up. Thank you!!

Solved • Apr 10, 2019

Weak Acid Strong Base Titrations

Q. Nitrous acid, HNO2, has Ka = 4.5 x 10−4. What is the best description of the species present in 100 mL of a 0.1 M solution of nitrous acid after 100 mL of 0.1 M NaOH has been added?

Solved • Apr 8, 2019

Weak Acid Strong Base Titrations

Q. Determine the pH during the titration of 69.96 mL of 0.317 M hydrofluoric acid (Ka=7.2x10-4) by 0.317 M NaOH at the following points. (Assume the titration is done at 25oC). Before the addition of any

Solved • Apr 7, 2019

Weak Acid Strong Base Titrations

Q. What volume of 0.500 M KOH (aq) should be added to reach the equivalence point in the titration of 1.00 L of 0.750 M HF (aq)? What will be the pH at equivalence point that the Ka of HF is 7.1*10^-4?

Solved • Apr 6, 2019

Weak Acid Strong Base Titrations

Q. A 25.0 mL sample of 0.150 M hydrazoic acid is titrated with a 0.150 M NaOH solution. What is the pH after 15.0 mL of the sodium hydroxide solution is added?

Solved • Mar 27, 2019

Weak Acid Strong Base Titrations

Q. Please answer step by step

Solved • Mar 27, 2019

Weak Acid Strong Base Titrations

Q. Calculate the pH at the equivalence point when 25 mL of an aqueous hydrofluoric acid solution required 30.0 mL of 0.40 M NaOH to reach this point? Ka = 6.76 x 10–4 for HF

Solved • Mar 27, 2019