Butadiene, C4H6, dimerizes to C8H12 with a rate law rate = k[C4H6]2 where k = 0.84 L/(mol·min). What will be the concentration of C4H6 after 180 min if its initial concentration is 0.025 M?

Answer : The concentration of C₄H₆ after 180 min is, 0.0052 M

Explanation :

The integrated rate law equation for second order reaction follows:

where,

k = rate constant =

t = time taken  = 180 min

[A] = concentration of substance after time 't' = ?

= Initial concentration = 0.025 M

Now put all the given values in above equation, we get:

Hence, the concentration of C₄H₆ after 180 min is, 0.0052 M

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