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1.Calculate the pH of a solution obtained by mixing 100 ml of 1 M HEPES and...

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Chemistry

1.Calculate the pH of a solutionobtained by mixing 100 ml of 1 M HEPES and 25 ml of 1 M NaOH andadjusting the volume to one liter with water.

2. Calculate the pH of a solution obtained by mixing 100 ml of 1M NH3 (pKa 9.25) and 60 ml of 1 M HCl and adjusting the volume toone liter with water. (Answer 9.07)

I want to know the specific calculation to get a final answer.Thank you.

Answer & Explanation Solved by verified expert
3.9 Ratings (367 Votes)
aWhen you add NaOH to the CH3COOH solution you form CH3COONa You then have a solution of a weak acid and a salt of this acid This is a buffer solution The pH of the buffer solution is calculated    See Answer
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