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Chemistry , 17.06.2022 20:56

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The table shows the concentration of a reactant in the reaction mixture over a period of time.
Reactant Concentration
Time Concentration
0 s 1.8 M
210 s 1.2 M
450 s 0.8 M
580 s 0.6 M
720 s 0.4 M

What is the average rate of the reaction over the entire course of the reaction?
A. 1.6 × 10−3
B. 1.9 × 10−3
C. 2.0 × 10−3
D. 2.2 × 10−3

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