An Aqueous Solution Is Prepared by Dissolving 0

question 118

Multiple Choice

An aqueous solution is prepared by dissolving 0.23 mol of hydrazoic acid and 0.27 mol of sodium azide in water sufficient to yield 1.00 L of solution.The addition of 0.05 mol of NaOH to this buffer solution causes the pH to increase slightly.The pH does not increase drastically because the NaOH reacts with the ________ present in the buffer solution.The
Of hydrazoic acid is 1.9 × 10^-5.

• A) O
• C)azide
• D)hydrazoic acid
• E)This is a buffer solution: the pH does not change upon addition of acid or base.

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