K for a zero order reaction is 2×10−2molL−1sec−1. If the concentration of the reactant after 25 sec is 0.5 M, the initial concentration must have been:
0.5 M
1.25 M
12.5 M
1.0 M
A
1.25 M
B
1.0 M
C
0.5 M
D
12.5 M
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