Calculate the Analytical Concentration of a Solution of Acetic Acid

Multiple Choice

Calculate the analytical concentration of a solution of acetic acid that has a pH of 3.00 ( K _a for acetic acid is 1.8×10 ^{- 5}) .

A) 1.0×10 ^{- 3}
B) 1.0×10 ^{- 6}
C) 0.056
D) 0.010
E) 2.0