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Part A How many moles of HF (Ka=6.8×10−4) must be added to water to form 0.230 L...

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Chemistry

Part A

How many moles of HF (Ka=6.8×10−4) must beadded to water to form 0.230 L of solution with a pH of 2.50?

Express your answer using two significant figures.

n=____mol

Answer & Explanation Solved by verified expert
3.8 Ratings (453 Votes)
Answer We are given pH 250 volume 0230 L Ka 68104 We know H3O 10pH 10250 000316 M We need to put    See Answer
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