26. A 0.250 M of a solution A reacted to form a product B. After 25.0 seconds, t

Question

26. A 0.250 M of a solution A reacted to form a product B. After 25.0 seconds, the concentration of A dropped to 0.100 M.

If the chemical equation for the reaction is 2A --> 3B, the rate of the disappearance of A is ____________ and the rate of the overall reaction is __________. (Points : 3)

       -6.00 x 10^-3 M/s; -3.00 x 10^-3 M/s
       -6.00 x 10^-3 M/s; -1.20 x 10^-2 M/s
       6.00 x 10^-3 M/s; 3.00 x 10-3 M/s
       6.00 x 10^-3 M/s; 1.20 x 10^-2 M/s
       6.00 x 10^-3 M/s; 6.00 x 10^-3 M/s

26. A 0.250 M of a solution A reacted to form a product B. After 25.0 seconds, the concentration of A dropped to 0.100 M.

If the chemical equation for the reaction is 2A --> 3B, the rate of the disappearance of A is ____________ and the rate of the overall reaction is __________. (Points : 3)

       -6.00 x 10^-3 M/s; -3.00 x 10^-3 M/s
       -6.00 x 10^-3 M/s; -1.20 x 10^-2 M/s
       6.00 x 10^-3 M/s; 3.00 x 10-3 M/s
       6.00 x 10^-3 M/s; 1.20 x 10^-2 M/s
       6.00 x 10^-3 M/s; 6.00 x 10^-3 M/s

Explanation / Answer

-6.00 x 10^-3 M/s; -3.00 x 10^-3 M/s

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