Unit relationships
1 L = 1000 mL; 1 kg = 1000 g; 1 atm = 101325 Pa = 760 Torr; T(K) = T(°C) + 273.15; 1 cal = 4.184 J.
Common molar masses
H₂O ≈ 18.015 g/mol; CO₂ ≈ 44.009 g/mol; NaCl ≈ 58.44 g/mol; O₂ ≈ 31.998 g/mol. Values reflect conventional atomic weights and are rounded.