Answer to Question #230829 in General Chemistry for justine

Question #230829

Arginine is an amino acid which has the following pKa values: pK₁: 2.17, pK₂: = 9.04, pK_R = 12.48. Calculate the net charge of arginine at the pH value of 4.

Expert's answer

Pkr is 12.48

Below that pka charge will be +1

Average of (pk1+ pk2)/2 is greater than 4

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