The rate law for a reaction is

CHEMISTRY · Subjective · A Level · Chemistry · Rate equations · Rate equations

Problem

rate = k[A]^2[B]

. Under the initial conditions

[A] = 0.10\,\text{M}

and

[B] = 0.20\,\text{M}

. If

[B]

must remain at

0.20\,\text{M}

, to what concentration should

[A]

be adjusted to increase the reaction rate by a factor of

3

? Provide your answer to two significant figures.