Home
Back
Moles = g / M
| From: | To: |
The mole calculation converts mass in grams to the number of moles using the molar mass of a substance. This is a fundamental concept in chemistry that relates the mass of a substance to the number of particles it contains.
The calculator uses the formula:
Where:
Explanation: This formula allows chemists to convert between the mass of a substance and the number of moles, which represents the number of particles (atoms, molecules, or formula units).
Details: Mole calculations are essential for stoichiometry in chemical reactions, determining reactant and product quantities, preparing solutions with specific concentrations, and many other applications in chemistry and related fields.
Tips: Enter the mass in grams and the molar mass in grams per mole. Both values must be positive numbers. The result will be displayed in moles.
Q1: What is a mole in chemistry?
A: A mole is the SI unit for amount of substance. One mole contains exactly 6.02214076×10²³ elementary entities (atoms, molecules, ions, or other particles).
Q2: How do I find the molar mass of a compound?
A: The molar mass is calculated by summing the atomic masses of all atoms in the chemical formula. For example, water (H₂O) has a molar mass of approximately 18.015 g/mol.
Q3: Can this calculator handle decimal values?
A: Yes, the calculator accepts decimal values for both mass and molar mass inputs for precise calculations.
Q4: Why is the mole concept important?
A: The mole concept allows chemists to work with the submicroscopic world of atoms and molecules using measurable macroscopic quantities like mass.
Q5: What's the difference between mass and moles?
A: Mass is a measure of the amount of matter in grams, while moles count the number of particles. The molar mass serves as the conversion factor between these two quantities.