How to Calculate Chemistry
What is Chemistry?
Chemistry calculators help with molar mass, stoichiometry, molarity, pH, and thermodynamic calculations. Chemistry uses the mole as its fundamental unit — 1 mole = 6.022 × 10²³ particles (Avogadro's number).
Step-by-Step Guide
- 1Molar mass: sum of atomic masses × number of atoms for each element
- 2Moles = mass (g) / molar mass (g/mol)
- 3Molarity (M) = moles of solute / liters of solution
- 4pH = −log₁₀[H⁺] where [H⁺] is hydrogen ion concentration in mol/L
Worked Examples
Input
H₂O molar mass
Result
= 2(1.008) + 15.999 = 18.015 g/mol