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  3. 1. calculate the ph of a 0.339 m h2s. calculate th

1. Calculate the pH of a 0.339 M H2S. Calculate the [S2-] in the solution. 2. A...

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Chemistry

1. Calculate the pH of a 0.339 M H2S. Calculate the [S2-] in thesolution.

2. A titration is performed by adding 0.656 M KOH to 40 mL of0.172 M HNO3:

b) Calculate the pH after the addition of 2.1, 5.25 and 9.49 mLof the base.(Show your work in detail for one of the volumes.)

e)Calculate the pH after adding 5.00 mL of KOH past theequivalence point

Answer & Explanation Solved by verified expert
3.7 Ratings (462 Votes)
1 for H2A acid A2 Ka2 S2 10 x 1019 M 2 millimoles of HNO3 40 x 0172 688 after adding 21 mL KOH millimoles of KOH 0656 x 21 138 acid    See Answer
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