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Question
An organic compound has a molecular mass of 279.2 amu and contains 85.96% carbon by mass. How many carbon atoms are in each molecule of this compound?A) 16
B) 21
C) 25
D) 29
E) 20
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:
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