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How many molecules of stearic acid are present in 2.00 mL of a 0.25 mM solution of stearic acid?

  • science -

    mM=mol/mL

    so, take the product of (0.25mol/mL)*(2 mL) to get mol

    then, multiply by Avogadro's number (6.022 x 10^23 molecules/ mol)

  • science -

    3.0E23

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