Question 328026
The law states 

{{{P1*V1/T1=P2*V2/T2}}}

We are given all but V2. So, we enter in the givens and solve for V2.

Change the temperature to Kelvin. 2 C = 275.15 K and 27 C = 300.15 K

{{{99*23.1/275.15=121*V2/300.15}}}

{{{V2=20.62}}} L