A second order reaction occurs in a CSTR$.$ Determine the ratio of volumes required

for $45\%$ conversion to $90\%$ conversion, provided initial concentration, flow rate, and

other parameters are constant.

a$)1\mathrm{.}64$

b$)60\mathrm{.}5$

c$)0\mathrm{.}35$

d$)0\mathrm{.}0165$

NOTE: Remember to show your methods and justification for your answer.