4.2 x 10⁻⁴ mol

4.2 x 10⁻⁶ mol

3.82 x 10⁻⁴ mol

3.82 x 10⁻⁶ mol

1.4

1.428

1.67

None of these

10 kg

3 kg

15 kg

12 kg

Atmospheric pressure

Vapour pressure of oxygen at that temperature

Atmospheric pressure plus aqueous tension at that temperature

Atmospheric pressure minus aqueous tension at that temperature

Critical temperature

Eutectic point

Boiling point

Boyle′s temperature