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Question
What is the pH of a 0.38 Msolution of sodium propionate, NaC3H5O2, at 25ºC? (For propionic acid, HC3H5O2, Ka= 1.3 x10-5 at 25ºC.)
A) 6.11
B) 4.77
C) 11.10
D) 7.89
E) 9.23
Answer
This answer is hidden. It contains 1 characters.
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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:
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