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[" Calculate the pH of "0.5L" of a "0.2MNH_(4)Cl-0.2MNH_(3)" buffer before and after addition of (a) 0.05mole "],[" of NaOH and (b) 0.05mole of HCl.Assume that the volume remains constant."],[" [Given : "pK_(b)" of "NH_(3)=4.74]]

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Calculate the pH of 0.5L of a 0.2 M NH_(4)Cl-0.2 M NH_(3) buffer before and after addition of (a) 0.05 mole of NaOH and (b) 0.05 mole of HCl . Assume that the volume remains constant.[Given: pK_(a) of NH_(3)=4.74]

Calculate the pH of 0.5L of a 0.2 M NH_(4)Cl-0.2 M NH_(3) buffer before and after addition of (a) 0.05 mole of NaOH and (b) 0.05 mole of HCl . Assume that the volume remains constant.[Given: pK_(a) of NH_(3)=4.74]

Calculate the pH of 0.1 MNH_(3) solution.

Are 0.5 mole of NaOH and 0.5 M of NaOH solution same ?

Calculate the pH of 0.1 MNH_(3) solution. K_(b) = 1.8 ** 10^(-5)

Calculate the pH of the solution in which 0.2M NH_(4)Cl and 0.1M NH_(3) are present. The pK_(b) of ammonia solution is 4.75 .

Calculate the pH of the solution in which 0.2 M NH_(4)Cl and 0.1 M NH_(3) are present. The pK_(b) of ammonia solution is 4.75 .