Chemistry Calculator

Calculate molarity, dilutions, moles, and chemical concentrations

Chemistry Calculations
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Common Chemistry Formulas

Molarity: M = n/V (moles per liter)

Dilution: C₁V₁ = C₂V₂

Moles: n = m/M (mass divided by molar mass)

Ideal Gas: PV = nRT

Chemistry Tips

Always check units - molarity uses moles per liter.

For dilutions, remember that adding solvent decreases concentration.

Molar mass can be found on the periodic table for elements.

Double-check calculations with dimensional analysis.