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Question
What is the pH of the solution if 0.021 g of sodium fluoride is added to 130.0 mL of a 0.098M HF solution? Ka for HF is 6.8x10-4.
A) 2.21
B) 5.08
C) 2.88
D) 2.11
E) 4.85
Answer
This answer is hidden. It contains 1 characters.
Related questions
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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