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Question
In the titration of a weak monoprotic acid with a strong base, the pH of the titration solution halfway to the endpoint will beA) equal to the pKa of the weak acid.
B) greater than 7.00.
C) equal to 7.00.
D) greater than the pKaof the weak acid.
E) less than the pKaof the weak acid.
Answer
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Q:
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Q:
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Q:
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Q:
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Q:
If a reaction is first-order with respect to a particular reactant, when the concentration of that reactant is increased by a factor of 2, the reaction rate will _____.
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Q:
For a certain first-order reaction with the general form aA → products, the rate is 0.32 M·s-1 when the concentration of the reactant is 0.29M. What is the rate constant for this reaction?A) 0.26 s-1B) 1.1 s-1C) 0.32 s-1D) 3.1 s-1E) 3.8 s-1