Glacial acetic acid or Acetic Acid,abbreviated as GAA(CAS64-19-7) is a concentrated form of acetic acid that contains at least 99.7% w/w of acetic acid (CH3COOH) and has a density of 1.049 g/ml . It is a colorless, corrosive, and hygroscopic liquid that has a strong vinegar-like odor . It is widely used as a solvent, reagent, and catalyst in various organic reactions .
Tabular Presentation: Properties of Acetic Acid
| Property | Value |
|---|---|
| Chemical Formula | CH3COOH |
| Molecular Weight | 60.05 g/mol |
| Boiling Point | 118.1 °C |
| Density | 1.049 g/mL |
| Purity | 99-100% |
What is Molarity?
Molarity is a unit of concentration that expresses the number of moles of solute per liter of solution. It is denoted by the symbol M and can be calculated by dividing the amount of solute (in moles) by the volume of solution (in liters). For example, a 1 M solution of sodium chloride (NaCl) contains 1 mole of NaCl dissolved in 1 liter of water.
How to Calculate Molarity of Glacial acetic acid?
To calculate the molarity of Acetic Acid(CAS64-19-7), we need to know the molecular weight and the mass percentage of acetic acid in the solution. The molecular weight of acetic acid is 60.05 g/mol . The mass percentage of acetic acid in GAA is 99.7% w/w . This means that 100 g of Acetic Acid contains 99.7 g of acetic acid and 0.3 g of water.
Using these values, we can calculate the number of moles of acetic acid in 100 g of GAA as follows:
moles of acetic acid = mass of acetic acid / molecular weight of acetic acid
moles of acetic acid = 99.7 g / 60.05 g/mol
moles of acetic acid = 1.661 mol
Next, we can calculate the volume of Acetic Acid(CAS64-19-7) in 100 g as follows:
volume of glacial acetic acid = mass of Acetic Acid / density of Acetic Acid
volume of glacial acetic acid = 100 g / 1.049 g/ml
volume of glacial acetic acid = 95.329 ml
Finally, we can calculate the molarity of Acetic Acid(CAS64-19-7) by dividing the number of moles by the volume in liters as follows:
molarity of Acetic Acid = moles of acetic acid / volume of Acetic Acid
molarity of Acetic Acid = 1.661 mol / 0.095329 L
molarity of Acetic Acid = 17.416 M
Information on suppliers of glacial acetic acid
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