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🧪 Molecular Weight Calculator
Chemical Formula
Enter chemical formula with element symbols and numbers
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Examples (click to use):
H₂O (Water)
CO₂ (Carbon dioxide)
C₆H₁₂O₆ (Glucose)
NaCl (Salt)
H₂SO₄ (Sulfuric acid)
Ca(OH)₂ (Calcium hydroxide)
C₂H₅OH (Ethanol)
NH₃ (Ammonia)
Enter a chemical formula and click Calculate
ℹ️ How to use
Simple formulas:
H2O, CO2, NaCl
With parentheses:
Ca(OH)2, Mg(NO3)2
Complex formulas:
C6H12O6, H2SO4, C2H5OH
• Supports all chemical elements from the periodic table
• Case sensitive: use 'C' for Carbon, not 'c'
• Numbers must follow the element they apply to