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Using a 0.20 M phosphate buffer with a pH of 6.0, you add 0.70 mL of...

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Chemistry

Using a 0.20 M phosphate buffer with a pH of 6.0, youadd 0.70 mL of 0.52 M HCl to 58 mL of the buffer. What isthe new pH of the solution?

Using a 0.30 M phosphate buffer with a pH of 7.1, youadd 0.75 mL of 0.48 M NaOH to 45 mL of the buffer. What isthe new pH of the solution?

Answer & Explanation Solved by verified expert
3.8 Ratings (746 Votes)
a You have a buffer solution that is 100M in CH3COOH and 100M in CH3COONa If you add some NaOH you react with the CH3COOH reducing its concentration and increasing the concentration of CH3COONa Mol CH3COOH in 20 mL of 100M 2010001 002mol CH3COOH    See Answer
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