Using ammonium citrate (Ka = 4.06×10^−7, 2.00 M) as a weak acid and sodium citrate dihydrate as the conjugate base, prepare a buffer solution with a pH of 6.50. The final volume of buffer solution must be 100.00 mL and the final concentration of the weak acid must be 0.100 M. What mass of solid conjugate base should be added to make the buffer solution with a pH of 6.50? What volume of acid should be added to make the buffer?

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Using ammonium citrate (Ka = 4.06×10^−7, 2.00 M) as a weak acid and sodium citrate dihydrate as the conjugate base, prepare a buffer solution with a pH of 6.50.

The final volume of buffer solution must be 100.00 mL and the final concentration of the weak acid must be 0.100 M.

What mass of solid conjugate base should be added to make the buffer solution with a pH of 6.50?

What volume of acid should be added to make the buffer?

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