Chemistry Calculator

Solve chemistry problems with step-by-step solutions. Calculate molar mass, pH, dilutions, and more.

Common Chemistry Formulas

Molar Mass

M = Ξ£(atomic mass Γ— count)

Example: Hβ‚‚O = 2(1.008) + 16.00

pH Scale

pH = -log₁₀[H⁺]

pH + pOH = 14

Ideal Gas

PV = nRT

R = 0.0821 LΒ·atm/(molΒ·K)