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Design a buffer that has a pH of 5.63 using one of the weak base/conjugate acid...

Design a buffer that has a pH of 5.63 using one of the weak base/conjugate acid systems shown below.

Weak Base Kb Conjugate Acid Ka pKa

CH3NH2

4.2×10-4

CH3NH3+

2.4×10-11

10.62

C6H15O3N

5.9×10-7

C6H15O3NH+

1.7×10-8

7.77

C5H5N

1.5×10-9

C5H5NH+

6.7×10-6

5.17



How many grams of the bromide salt of the conjugate acid must be combined with how many grams of the weak base, to produce 1.00 L of a buffer that is 1.00 M in the weak base?

grams bromide salt of conjugate acid =

grams weak base =

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