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Question
Answer the following in one sentence :
How are basic buffer solutions prepared?
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Solution
Basic buffer solutions are prepared by mixing aqueous solutions of a weak base and its salt with strong acid.
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____________ forms a basic buffer solution.
Which will make basic buffer?
The dissociation constant of a weak acid is 1 × 10−3. In order to prepare a buffer solution with a pH = 4, the `(["Acid"])/(["Salt"])` ratio should be ____________.
The hydrogen ion concentration of a buffer solution consisting of a weak acid and its salts is given by ____________.
On the basis of the equation \[\ce{pH}\] = – log \[\ce{[H+]}\], the \[\ce{pH}\] of 10–8 mol dm–3 solution of \[\ce{HCl}\] should be 8. However, it is observed to be less than 7.0. Explain the reason.
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Which of the following combinations will constitute a buffer solution?
Calculate the pH of buffer solution composed of 0.01 M weak base BOH and 0.02 M of its salt BA. [Kb = 1.8 × 10–5 for weak base]
Define Acidic buffer solution.
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