Calculate the molar mass of a solute in a 1.30 L solution with of 0.50 M containing 10.5 g of the solute.

Question

Calculate the molar mass of a solute in a 1.30 L solution with of 0.50 M
containing 10.5 g of the solute.

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Hưng Khoa 2 months 2021-09-05T07:33:28+00:00 1 Answers 3 views 0

Answers ( )

  1. Tryphena
    0
    2021-09-05T07:34:35+00:00
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    Answer: 16 g/mol

    Explanation: Molarity is Moles/Liters or Mol/L

    (0.50 mol/L)(1.30L) = 0.65mol

    (cancels out L)

    Molar mass is g/mol so…

    10.5g/0.65mol = 16.1 g/mol

    Rounded to 2 sig figs is 16 g/mol

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