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Sergio [31]
3 years ago
15

What is the molarity when water is added to 4 moles of sodium chloride to make 0.5 liter of solution?

Chemistry
1 answer:
loris [4]3 years ago
7 0
       If    0.5 L of solution contains 4 mol
then let     1 L of solution contain  x  mol
      
       ⇒    (0.5 L) x  = (4 mol) (1 L)

                         x  = (4 mol · L)  ÷  (0.5 L)

                         x  = 8 mol

Thus the molarity of the Sodium Chloride solution is 8 mol / L   OR  8 mol/dm³. 
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Explanation:

Given parameters:

Number of moles CaSO₄ = 1 mole

Unknown:

Number of Ca atoms in the given compound = ?

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          CaSO₄

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Now;

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2 moles Carbon to grams = 24.0214 grams

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