Respuesta :

Combined Gas Law:  P₁V₁T₂ = P₂V₂T₁

STP mean standard pressure and temperature so Pressure is 1  atm and temperature is 273.15 K

300 kpa = 2.96 atm

100 °C = 373.15 K

[tex]\frac{(25.0L)(2.96atm)(273.15K)}{(1atm)(373.15)}[/tex]