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What Is the PH of 1 L of 0

Question 152

Multiple Choice

What is the pH of 1 L of 0.30 M TRIS,0.60 M TRISH+ buffer to which one has added 5.0 mL of 12 M HCl? The Kb for the TRIS/TRISH+ is 1.2 × 10-6.


A) 5.92
B) 6.36
C) 7.36
D) 7.64

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