Use Ideal Gas equation since values are given in Pressure (P), Volume (V), Temperature (T). P V = n R T ; n= PV / RT You can't use 1 mole= 22.4 L equation. Temperature and pressure values are not standard. ( 1 atm, 0
To choose the value of R ( gas constant), check out the units of other values in the equation. They are in atm,liter, kelvin, and mole. So, its value is 0.082 L atm/ K mol.
P= 0.97 atm V= 35.83 * 10 ⁻³ L (conversion from ml to, just multiplied by 10 ⁻³ ) R= 0.082 L atm/ K mol T= (25.3 + 273) K ( recall Kelvin = Celcius + 273; K= °C + 273<span>) </span> Substitute values into equation of n= PV / RT
n= (0.97 atm) (35.83 * 10 ⁻³ L) / (0.082 L atm/ K mol) (298.3 K)= 0.014 mole