Answer :

The molarity of copper II sulphate in the diluted solution would be 7.14 x 10^-3 M , if 4 ml of 0.0259 m cuso4 is diluted to 10 ml with pure water.

What is molarity and how the molarity of the diluted solution comes out to be 7.14x 10^-3 M?

  1. Molarity is the measure of number of moles dissolved in per liter of the solution of a given solution.
  2. The unit of molarity is g/L , but it depends on the units on mass and volume given in the question also.
  3. First we will calculate the number of moles : 4 ml x 1/1000x 0.0259 /1 = 1 x 10^-4 moles.
  4. The number of moles calculated out to be 1 x 10 ^-4 moles of copper sulphate , with which we will calculate the molarity.
  5. [CuSO4]= 1 x 10^-4 mol cuso4/ 0.014 = 7.14 x 10^-3 g/L of the molarity of copper II sulphate in the diluted solution.

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