Chemistry Calculator - Molar Mass, Molarity, pH, Dilution & More

Calculate the molar mass of a chemical compound

Example: H2O, NaCl, Ca(OH)2

Chemical Formula:

Calculate molarity (M = moles/L)

Moles of solute:

Volume of solution (L):

Calculate dilution using C₁V₁ = C₂V₂

Initial Concentration (M):

Initial Volume (mL):

Final Concentration (M):

Final Volume (mL):

Calculate pH or pOH from concentration

Type:

Concentration (M):

Ideal Gas Law: PV = nRT

R = 0.0821 L·atm/(mol·K)

Pressure (atm):

Volume (L):

Moles (mol):

Temperature (K):

Calculate product mass from reactant mass

Reactant Mass (g):

Reactant Molar Mass (g/mol):

Product Molar Mass (g/mol):

Mole Ratio (product:reactant):

Calculate percent composition by mass

Chemical Formula: