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Which of the sub-shell is circular:
(1) 4s
(2) 4f
(3) 4p
(4) 4d
Ans: 4s
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You make up 0.100 L of a buffer having 1.00 M acetic acid and 1.10 M sodium acetate. The Ka of acetic acid is 1.8 x 10-4. (a) Determine the pH of this buffer.
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