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Question
Which of the following solutions will not yield an effective NaH2PO4/Na2HPO4 buffer?A) 2.0 M NaH2PO4+ 1.0 M NaOH
B) 1.0 M NaH2PO4+ 1.0 M Na2HPO4
C) 1.0 M H3PO4+ 1.0 M Na3PO4
D) 2.0 M Na2HPO4+ 1.0 M HCl
E) 1.0 M H3PO4+ 1.0 M NaH2PO4
Answer
This answer is hidden. It contains 1 characters.
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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