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6. Compare the buffering capacities of a 150mM phosphate buffer at pH7.0 to that at pH6.3. (a) Which of the two phosphate buffers has the

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6. Compare the buffering capacities of a 150mM phosphate buffer at pH7.0 to that at pH6.3. (a) Which of the two phosphate buffers has the greater capacity to buffer the addition of a strong acid. Briefly explain in 1-2 sentences. (b) Which of the two phosphate buffers has the greater capacity to buffer the addition of a strong base. Briefly explain in 1-2 sentences

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