Q:

What is the molar mass of acetic acid?

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A:

Acetic acid molar mass is how much?

In chemistry, knowledge of the molar mass of a substance is essential for the calculation of many reactions. As a common organic acid, the molar mass of acetic acid is a basic and important concept. This article will analyze the molar mass of acetic acid in detail to help you better understand this chemical parameter.

Acetic acid molecular formula and molecular structure

We need to clarify the chemical formula for acetic acid. The chemical formula of acetic acid is CHy3 COOH, which is an organic acid composed of three elements: carbon (C), hydrogen (H) and oxygen (O). The molecular structure of acetic acid contains an ethyl group (CH) and a carboxyl group (COOH). This structure gives acetic acid acidic properties and is an important reagent in many chemical reactions.

Calculation of the molar mass

of acetic acid

The molar mass of acetic acid is calculated from the relative atomic masses of its constituent elements. We analyze its atomic mass element by element:

  • Carbon (C) has a relative atomic mass of about 12.01g/mol
  • Hydrogen (H) has a relative atomic mass of about 1.008g/mol
  • Oxygen (O) has a relative atomic mass of about 16.00g/mol

According to the molecular formula of acetic acid CHYCOOH, we can calculate the molar mass of acetic acid as follows:

  1. 1 carbon atom: 12.01g/mol
  2. 4 hydrogen atoms: 4 × 1.008g/mol = 4.032g/mol
  3. 2 oxygen atoms: 2 × 16.00g/mol = 32.00g/mol

Adding these values, the molar mass of acetic acid is:

[ 12.01 \, \text{g/mol} 4.032 \, \text{g/mol} 32.00 \, \text{g/mol} = 46.044 \, \text{g/mol} ]

the molar mass of acetic acid is therefore approximately 46.04g/mol.

Acetic Acid Molar Mass Practical Application

The molar mass of acetic acid is a key data in chemical experiments and industrial production. For example, in the production of chemicals such as vinyl acetate and cellulose acetate, accurate calculation of the amount of acetic acid used is critical. The molar mass of acetic acid is also the basis for calculating the mass ratio of reactants and products, conversion and other reaction parameters.

In daily life, acetic acid is often used as an ingredient in vinegar, and its molar mass is also helpful to evaluate the concentration and efficacy of acetic acid. Therefore, mastering the molar mass of acetic acid has practical significance for experimental calculation, industrial synthesis and daily application.

Conclusion: What is the molar mass of acetic acid?

The molar mass of acetic acid is approximately 46.04g/mol. This value is essential for chemical experiments and industrial production, helping us to accurately calculate the amount of material required for the reaction. Whether studying chemistry, conducting experiments or in the chemical industry, understanding the molar mass of acetic acid is essential basic knowledge.

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