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Question
A molecular compound contains 92.3 % carbon and 7.7 % hydrogen by mass. If 0.432mol of the compound weighs 22.46g, what is its molecular formula?A) C8H8
B) C6H10
C) C4H8
D) C4H4
E) CH
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