Molecular Weight Calculator
Calculate molecular weight from chemical formula.
Molecular Weight: -
Understanding Mass to Mole Conversion
What is a Mole?
A mole is the SI unit for amount of substance, defined as exactly 6.02214076 × 10²³ elementary entities. It helps us:
- Bridge atomic and macroscopic scales
- Perform stoichiometric calculations
- Balance chemical equations
- Prepare solutions
Mass-Mole Relationship
Key concepts include:
- Molecular weight in g/mol
- Avogadro's number
- Stoichiometric ratios
- Conservation of mass
- Limiting reagents
Applications
Mass to mole conversions are crucial in:
- Solution preparation
- Chemical synthesis
- Analytical chemistry
- Industrial processes
- Quality control
Common Conversions
Useful reference values:
- 1 mole H₂O = 18.015 g
- 1 mole NaCl = 58.44 g
- 1 mole CO₂ = 44.01 g
- 1 mole O₂ = 32.00 g