pH of buffer solution
Not what you're looking for?
Hydrofluoric acid (HF) has an equilibrium constant Ka value of 7.2 x 10^- 4.
Part a: 0.250 mol of F-- ions (in the form of NaF) are added to 1.0 Liters of 0.1 mol L-1 aqueous HF. Calculate the resulting pH?
Part b: The solution produced in (part a) is added 10.0 ml of 5.0 mol L-1 NaOH. Calculate the resulting PH?
Purchase this Solution
Solution Summary
It shos who calculate the pH of HF solution when NaF and NaOh are added, respectively. The solution is detailed and well presented.
Solution Preview
Please see the attached file.
Hydrofluoric acid (HF) has a Ka value of 7.2 x 10 ^ - 4.
Part a: 0.250 mol of F - ions (in the form of NaF) are added to 1.0 Liters of 0.1 mol L-1 aqueous HF. Calculate the resulting PH?
The initial concentration of HF is 0.1 mol/ 1L = 0.1 M
When 0.250 mol of F- is added to ...
Purchase this Solution
Free BrainMass Quizzes
Match Elements with their Symbols
Elements are provided: choose the matching one- or two-letter symbol for each element.
General Chemistry - Classification of Matter
This test will assess your knowledge on the classification of matter which includes elements, compounds and mixtures.
Functional groups in Organic Chemistry
You will be tested on the names of functional groups in Organic Chemistry. It is very important to know the functional groups to understand Organic reactions.
Thermochemistry
The quiz helps in revising basic concepts about thermochemistry.