Avogadro Converter

Convert between moles, particles, and mass using Avogadro's number (6.022 × 10²³ particles/mol). Features conversions: moles ↔ particles, mass ↔ particles. Includes particle types (molecules, atoms, ions, electrons, protons, neutrons, formula units), mass units (g, kg, mg, μg), molar masses for 10+ common substances (H₂O 18.015, CO₂ 44.01, NaCl 58.44, etc.), and Avogadro's constant reference. Perfect for chemistry students.