Calculate molecular mass and composition of an element. Get the Hill and Empirical notation, average, nominal, and isotopic mass, atoms, charge, and composition of a molecule.

Calculate Molecular Mass and Composition of an Element

Purpose

This function calculates the molecular mass and composition of a given chemical formula. It provides information on the average mass, nominal mass, isotopic mass, elemental composition, and other related details of the molecule.

Use Cases

• Chemistry students or professionals who need to determine the molecular mass and composition of a compound.
• Researchers working with chemical formulas and compositions.

How to Use

1. Enter the chemical formula of the molecule you want to analyze.
2. Click the "Calculate" button to see the results.

Input Values

1. Chemical Formula: Enter the chemical formula of the molecule you want to analyze. For example, H2O for water.

Output Values

1. Hill Notation: The chemical formula in Hill notation.
2. Empirical Notation: The empirical formula of the molecule.
3. Average Mass: The average molecular mass of the molecule.
4. Nominal Mass: The nominal molecular mass of the molecule.
5. Isotopic Mass: The isotopic molecular mass of the molecule.
6. Atoms: The number of atoms in the molecule.
7. Charge: The charge of the molecule.
8. Composition: The elemental composition of the molecule.

Any Other Instructions

• Make sure to enter the chemical formula correctly to get accurate results.
• The default unit of measurement is based on the chemical formula entered.

Code Analysis

1. The function takes the input chemical formula and calculates various properties of the molecule.
2. It uses the Formula class from the molmass module to perform the calculations.
3. The function returns a dictionary containing the calculated values for the given chemical formula.

Technical Parameters

• molecule

Return Values

• Hill Notation, Empirical Notation, Average Mass, Nominal Mass, Isotopic Mass, Atoms, Charge, Composition

Example Expressions

You can use the following expressions to directly evaluate in a non-interactive manner using eva().

eva(molecule('H2O'))
eva(molecule('C6H12O6'))

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