Carolina2423 Carolina2423
  • 04-06-2016
  • Chemistry
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2. What is the molarity of a 4.50 L solution that contains 68.0 g of NaCl?

2 What is the molarity of a 450 L solution that contains 680 g of NaCl class=

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olivia7443
olivia7443 olivia7443
  • 05-06-2016
Molarity is mol/L so in order to convert 68.0 g of NaCl to mol you have to use a conversion with the molar mass of NaCl:
68.0 g NaCl x 1 mol/58.5 g NaCl = 1.16 mol NaCl
Then plug 1.16 mol and 4.50 L in to the molarity equation:
M = 1.16 mol/4.50 L = 0.258 M
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