Molar Mass Formula:
From: | To: |
Molar mass is the mass of one mole of a substance, expressed in grams per mole (g/mol). It is calculated by summing the atomic masses of all atoms in a chemical compound.
The calculator uses the molar mass formula:
Where:
Explanation: The calculator multiplies the atomic mass by the number of atoms to determine the total molar mass of the compound.
Details: Accurate molar mass calculation is essential for stoichiometric calculations, determining molecular formulas, and preparing chemical solutions with precise concentrations.
Tips: Enter atomic mass in g/mol and number of atoms as a whole number. Both values must be positive (atomic mass > 0, number of atoms ≥ 1).
Q1: What is the difference between atomic mass and molar mass?
A: Atomic mass is the mass of a single atom, while molar mass is the mass of one mole (6.022 × 10²³ atoms) of a substance.
Q2: How do I find atomic mass values?
A: Atomic mass values can be found on the periodic table. They are typically listed below the element symbol.
Q3: Can this calculator handle compounds with multiple elements?
A: This calculator calculates for a single element. For compounds with multiple elements, you would need to calculate each element separately and sum the results.
Q4: Why is molar mass important in chemistry?
A: Molar mass is crucial for converting between mass and moles, which is fundamental in chemical calculations and laboratory work.
Q5: What is Avogadro's number and how does it relate to molar mass?
A: Avogadro's number (6.022 × 10²³) is the number of particles in one mole. The molar mass in grams contains exactly one mole of particles.