15. Chemical Kinetics
Stoichiometric Rate Calculations
Multiple Choice
Multiple ChoiceThe formation of alumina, Al2O3, can be illustrated by the reaction below:
4 Al (s) + 3 O2 (g) → 2 Al2O3 (s)
At 750 K it takes 267 seconds for the initial concentration of Al2O3 to increase from 6.18 x 10-5 M to 5.11 x 10-4 M. What is the average rate of Al?
A
8.41 x 10-7 M/s
B
1.68 x 10-6 M/s
C
3.36 x 10-6 M/s
D
4.21 x 10-7 M/s
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