Using a 0.20 M phosphate buffer with a pH of 7.4, you add 0.71 mL of...

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Chemistry

Using a 0.20 M phosphate buffer with a pH of 7.4, you add 0.71mL of 0.45 M HCl to 51 mL of the buffer. What is the new pH of thesolution?

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Since this is a buffer near pH 74 we need to find pKa similar to that th enoly pKa similar to that is 721 which correspond to the second dissociation H2PO4 H and HPO42 Ka2 See Answer

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Using a 0.20 M phosphate buffer with a pH of 7.4, you add 0.71 mL of...

70.2K

Verified Solution

Question

Chemistry

Using a 0.20 M phosphate buffer with a pH of 7.4, you add 0.71mL of 0.45 M HCl to 51 mL of the buffer. What is the new pH of thesolution?

Answer & Explanation Solved by verified expert

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