Nsherspinosaram Nsherspinosaram
  • 20-02-2017
  • Chemistry
contestada

What is the molarity of a solution prepared by dissolving 12.9 grams of naf in enough water to produce 750 ml of solution?

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akiyama316
akiyama316 akiyama316
  • 20-09-2017
Molarity = moles/Volume in Liters 

We have volume, we need moles 
molar mass of NaF = 42

moles = mass/molar mass = 12.9 g/ 42 = 0.307 moles 

Molarity =0.307 moles / 0.750 L 

Molarity = 0.41M
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