Chemistry Calculator
Free, fast, and accurate chemistry tools for students, educators, and researchers.
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Molecule Viewer
2D and 3D visualization of molecular structures
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Stoichiometry
Calculate reactant/product amounts
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Molar Mass
Calculate molecular weights
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Equation Balancer
Balance chemical equations
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Dilution Calculator
C1V1 = C2V2 calculations
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pH Calculator
Calculate pH and ion concentrations
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Gas Laws
Ideal gas law (PV=nRT)