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Question
Consider a solution containing the following cations: Na+, Hg2+, Mn2+, Al3+and Ag+. Treatment of the solution with dilute, HCl followed by saturation with H2S, results in formation of precipitate(s). Which ions still remain in solution (did not precipitate)?A) Na+, Hg2+, Al3+
B) Na+only
C) Ag+ and Hg2+
D) Ag+only
E) Na+, Al3+, and Mn2+
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:
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