levielydia5 levielydia5
  • 17-05-2022
  • Chemistry
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what is the molarity of a solution in which 0.257 moles of HNO2 is dissolved in 490ml of water

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anyakashif97
anyakashif97 anyakashif97
  • 17-05-2022

Answer:

= 0.524M

Explanation:

data;

volume = 490ml

              = 490 / 1000

               = 0.49 dm^3

moles = 0.257 moles

molarity = ?

solution:

molarity = [tex]\frac{no. of moles}{volume in dm^3}[/tex]

               = 0.257 / 0.49

 molarity  = 0.524M

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