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Chapter 10: Q7TY (page 223)

The both [H2A]=[HA鈥�]are equal as found to be pH=10.54

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The both [H2A]=[HA鈥�] are found to be equalpH=10.54

Step by step solution

01

Definition of Henderson-Hassel Balch equation

  • The Henderson Hasselbalch equation approximates the link between a solution's pH or pOH, its pKa or pKb, and the ratio of dissociated chemical species concentrations.
02

Determine the both  are equal as found to be 

The both [H2A]=[HA鈥�]are equal, and the pH must be determined.

Henderson-Hassel Balch equation

pH=pK1+log[HA-][H2A]pH=pK2+log[A2][HA-]

The negative logarithm of Hydrogen ion activity can be calculated using the equation above.

It are aware of this.

The purity of the intermediate species' pH,H2Arg+

Arginine is a kind of amino acid [Arg-]at pK3=12.1is 4.00

H2Arg+鈮�12(pK1+pK2)=5.40

pH=10.54(and a pH exceeding =pK2 )

Therefore [H2Arg+]=Arg-at pH=10.54

Both of them [H2A]=[HA鈥�]are found to be equal pH=10.54.

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