Concentrations of Commonly Used Laboratory Reagents

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Reagent	Specific Gravity (g/cm³)	Approx. % Acid or Base Present in Concentrated Reagent (by weight)	Normality of Concentrated Reagent (mol/L)	Molecular Weight
Hydrochloric Acid	1.18	37	11.6	36.46
Nitric Acid	1.42	70	16	63.02
Perchloric Acid	1.67	70	11.6	100.46
Sulfuric Acid	1.84	98	18.4	98.08
Phosphoric Acid	1.69	85	44	98
Formic Acid	1.2	90	24	46.03
Glacial Acetic Acid	1.05	99.5	17.4	60.05
Ammonium Hydroxide	0.9	58 (NH₄OH) 29 (NH₃)	15	35.05
Hydrogen Peroxide	1.13	90	8.8	113.6

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