Molar mass constant of carbon-12
Try it yourself:
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molarMassC12
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molarMassC12 gives the molar mass associated with carbon-12, a key reference in atomic-mass conventions.
Compare it with the molar mass constant and atomic mass constant. Use to() for grams per mole and division for amount calculations.
Natural carbon samples have isotopic variation, so their average molar mass need not equal a pure isotope reference.
Enter molarMassC12 on a calculator line to see its built-in value, or place the name inside a longer expression. Keep any displayed unit attached when converting or combining physical quantities, and check that every other value uses a compatible dimension.
The example above is editable, so you can replace surrounding values and test the constant in your own formula. Browse all constants to compare related values and notation.