Molecular Mass, Moles, and Molarity

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10 Terms

1
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Molecular mass abbreviation

amu

2
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molecular mass formula

add up all mass numbers of all atoms in a molecule

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Mole abbreviation

mol

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Mole formula

add up mass numbers of all atoms in the molecule; that number in grams instead of amu = 1 mole of that molecule

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what's the molecular mass of H2O?

2 + 16 = 18 amu

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what's the molecular mass of C6H12O6?

72 + 12 + 96 = 180 amu

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What's the mol of H2O?

18g/mol

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What's the mol of C6H12O6?

180g/mol

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Molarity abbreviation

M

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molarity

number of moles of solute dissolved in a total of 1 liter of solution (often water); concentrations measured in molarity