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Question
A concentration-time study of the gas phase reaction 2 A3 → 3 A2 produced the data in the table below.
Time (s) [A3] (M) [A2] (M) 0 4.00 × 10-4 0 10 2.00 × 10-4 3.00 × 10-4 20 1.00 × 10-4 4.50 × 10-4 30 5.00 × 10-5 ? What is the concentration of A2 after 30 seconds? A) 5.00 × 10-4 M B) 5.25 × 10-4 M C) 5.50 × 10-4 M D) 6.00 × 10-4 M Answer
15
Seconds
thank you
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