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Glutamine (HQ) is a diprotic amino acid with Ka1=6.5x10^-3 and Ka2=1.00x10^-9. Determine the pH of the...

Glutamine (HQ) is a diprotic amino acid with Ka1=6.5x10^-3 and Ka2=1.00x10^-9. Determine the pH of the following solutions.
A) 0.298 M glutamine hydrochloride (H2Q+ Cl-)
B) 0.298 M glutamine (HQ)
C) 0.298 M sodium glutaminate (Na+Q-)

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