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We need a buffer with pH = 9.13. It can be prepared from NH3 and NH4 Cl. What must the (NH4+1/[NH3] ratio be? (This problem rHF HNO CH,COOH HOCI HOBI HOCN HCN H2SO4 K = 72 x 10- K = 45 x 10 K = 1.8x10 K = 3.5x10 K -2.5 x 10 K= 3.5 x 10 K, 4.0x 10-10

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Solution: • Alkaline Buffer :( A mixture of a weak base and its Salt: [ NH3 + Nhu cel]. For a buffer of weak base and its sa

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