Friday 6 July 2012

Molarities of concentrated Acidic and BasesCSUS Chemistry Stockroom Acids & Bases Concentrations Disclaimer: These values are listed here for the convenience of our faculty. The chemicals should only be used by qualified chemists who are aware of proper chemical and apparatus usage. Safety precautions such as the use of goggles, aprons, gloves, and so forth are assumed. It is also assumed that all chemicals used will be disposed of properly. Users of information posted on this site assume all responsibility. Concentrations table to two significant figures Acetic Acid, Glacial, 100% 17 Molar Ammonia, 29% 15 Molar Hydrochloric Acid, 37% 12 Molar Nitric Acid, 70% 16 Molar Phosphoric Acid, 85% 15 Molar Perchloric Acid, 71% 11 Molar Sodium Hydroxide, 50% 19 Molar Sulfuric Acid, 96% 18 Molar (36 Normal) Concentrations with calculations. Acetic Acid, Glacial = 17.5 Molar Strength = 100%, Density = 1.05, Molec Wt. = 60.05 1 liter = 1050 gm = 17.48 moles = 17.5M Ammonia = 15 Molar Strength = 28.0-30.0%, Density = 0.90, Molec Wt. NH4OH = 35.05, Molec Wt NH3 = 17.0 1 liter = 900 gm = 261 gm NH3 (@ 29%) = 15.35 moles Hydrochloric Acid = 12 Molar Strength = 36.5-38%, Density = 1.185, Molec Wt = 36.5 1 liter = 1185 gm = 444 gm HCl (@ 37.5%) =12.2 moles (range 11.85 - 12.34) = 12 molar Nitric Acid = 16 Molar Strength = 69-70%, Density = 1.42, Molec Wt = 63.01 1 liter = 1420 gm = 994 gm HNO3 (@70%) = 15.8 moles = 15.8 Molar Phosphoric Acid = 15 Molar Strength = 85%, Density = 1.7, Molec Wt = 98.0 1 liter = 1700 gm = 1445 gm H3PO4 (@85%) = 14.7 moles = 15 Molar Perchloric Acid = 11 Molar Strength = 70-72%, Density = 1.6, Molec Wt = 100.46 1 liter = 1600 gm = 1136 gm HNO3 (@71%) = 11.3 moles = 11.3 Molar Sodium Hydroxide, 50% = 19 Molar 25.0 ml of 50% NaOH weights 37.93 gm. Density = 1.52 gm/ml. Strength = 50-52%, Density = 1.52, Molec Wt = 40.0 1 liter = 1520 gm = 775 gm NaOH (@51%) = 19.4 moles = 19.4 molar Sulfuric Acid = 18 Molar (36 Normal) Strength = 95.5-96.5%, Density = 1.84, Molec Wt = 98.08 1 liter = 1840 gm = 1766 gm HNO3 (@96%) = 18.0 moles = 18.0 Molar Nov 1997 - JTBurt

CSUS Chemistry Stockroom Acids & Bases Concentrations

Disclaimer: These values are listed here for the convenience of our faculty. The chemicals should only be used by qualified chemists who are aware of proper chemical and apparatus usage. Safety precautions such as the use of goggles, aprons, gloves, and so forth are assumed. It is also assumed that all chemicals used will be disposed of properly. Users of information posted on this site assume all responsibility.

Concentrations table to two significant figures


Acetic Acid, Glacial, 100%
17 Molar
Ammonia, 29% 15 Molar
Hydrochloric Acid, 37% 12 Molar
Nitric Acid, 70% 16 Molar
Phosphoric Acid, 85% 15 Molar
Perchloric Acid, 71% 11 Molar
Sodium Hydroxide, 50% 19 Molar
Sulfuric Acid, 96% 18 Molar (36 Normal)


Concentrations with calculations.


Acetic Acid, Glacial = 17.5 Molar
      Strength = 100%, Density = 1.05, Molec Wt. = 60.05
      1 liter = 1050 gm = 17.48 moles = 17.5M

Ammonia = 15 Molar
      Strength = 28.0-30.0%, Density = 0.90, Molec Wt. NH4OH = 35.05, Molec Wt NH3 = 17.0
      1 liter = 900 gm = 261 gm NH3 (@ 29%) = 15.35 moles

Hydrochloric Acid = 12 Molar
      Strength = 36.5-38%, Density = 1.185, Molec Wt = 36.5
      1 liter = 1185 gm = 444 gm HCl (@ 37.5%) =12.2 moles (range 11.85 - 12.34) = 12 molar

Nitric Acid = 16 Molar
      Strength = 69-70%, Density = 1.42, Molec Wt = 63.01
      1 liter = 1420 gm = 994 gm HNO3 (@70%) = 15.8 moles = 15.8 Molar

Phosphoric Acid = 15 Molar
      Strength = 85%, Density = 1.7, Molec Wt = 98.0
      1 liter = 1700 gm = 1445 gm H3PO4 (@85%) = 14.7 moles = 15 Molar

Perchloric Acid = 11 Molar
      Strength = 70-72%, Density = 1.6, Molec Wt = 100.46
      1 liter = 1600 gm = 1136 gm HNO3 (@71%) = 11.3 moles = 11.3 Molar

Sodium Hydroxide, 50% = 19 Molar
      25.0 ml of 50% NaOH weights 37.93 gm. Density = 1.52 gm/ml.
      Strength = 50-52%, Density = 1.52, Molec Wt = 40.0
      1 liter = 1520 gm = 775 gm NaOH (@51%) = 19.4 moles = 19.4 molar

Sulfuric Acid = 18 Molar (36 Normal)
      Strength = 95.5-96.5%, Density = 1.84, Molec Wt = 98.08
      1 liter = 1840 gm = 1766 gm HNO3 (@96%) = 18.0 moles = 18.0 Molar

Nov 1997 - JTBurt

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