Molarities of Concentrated Acids and Bases

Acetic Acid

CH3COOH, Glacial, 100% – 17.5 Molar
Strength = 100%, Density = 1.05, Molecular Weight = 60.05
1 liter = 1050 gm CH3COOH = 17.48 moles = 17.5M

Ammonia

NH4OH, 29% – 15.35 Molar
Strength = 28.0-30.0%, Density = 0.90, Molecular Weight = 35.05
Molecular Weight NH3 = 17.0
1 liter = 900 gm = 261 gm NH3 (@ 29%) = 15.35 moles

Hydrochloric Acid

HCL, 37% – 12.2 Molar
Strength = 36.5-38%, Density = 1.185, Molecular Weight = 36.5
1 liter = 1185 gm = 444 gm HCl (@37.5%) = 12.2 moles (range 11.85 – 12.34)
Boiling Point 110°C (230°F)

Nitric Acid

HNO3, 70% – 15.8 Molar
Strength = 69-70%, Density = 1.42, Molecular Weight = 63.01
1 liter = 1420 gm = 994 gm HNO3 (@70%) = 15.8 moles = 15.8 Molar
Boiling Point 122°C (252°F)

Phosphoric Acid

H3PO4, 85% – 14.7 Molar
Strength = 85%, Density = 1.7, Molecular Weight = 98.0
1 liter = 1700 gm = 1445 gm H3PO4 (@85%) = 14.7 moles = 15 Molar

Perchloric Acid

HClO4, 71% – 11.3 Molar
Strength = 70-72%, Density = 1.6, Molecular Weight = 100.46
1 liter = 1600 gm = 1136 gm HClO4 (@71%) = 11.3 moles = 11.3 Molar

Sodium Hydroxide

NaOH, 50% – 19.4 Molar
25.0 ml of 50% NaOH weighs 37.93 gm. Density = 1.52 gm/ml.
Strength = 50-52%, Density = 1.52, Molecular Weight = 40.0
1 liter = 1520 gm = 775 gm NaOH (@51%) = 19.4 moles = 19.4 molar

Sulfuric Acid

H2SO4, 96% – 18 Molar (36 Normal – (2 Hydrogen Ions))
Strength = 95.5-96.5%, Density = 1.84, Molecular Weight = 98.08
1 liter = 1840 gm = 1766 gm H2SO4 (@96%) = 18.0 moles = 18.0 Molar

Preparing 1 Molar Solutions

Name w/w % Formality mL to Prepare
1 L of 1 M Solution
Acetic 99.8 17.4 57.5
Hydrochloric 37.2 12.1 82.6
Hydrofluoric 49 28.9 34.6
Nitric 70.4 15.9 62.9
Perchloric 70.5 11.7 85.5
Phosphoric 85.5 14.8 67.6
Sulfuric 96 18 55.6
Ammonia 28 14.5 69
Sodium hydroxide 50.5 19.4 51.5
Potassium hydroxide 45 11.7 85.5