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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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Answers ( )
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