Question

How would you prepare the following aqueous solutions?

Answer 1

The  molarity of the solution is 0.1625M.

What do you meant by Molarity

Molarity is the amount of a substance in a certain volume of solution. Molarity is  defined as the moles of solute per litres of a solution .

Molarity → no of moles / Volume (L)

SI unit of Molarity is M or mol/ L

We have given here the mass of solution is 3.10×10²g .

molality of the solution is 0.125m

Molality → no of moles / mass in kg

→  0.125×3.10×10²/ 1000

→ no.of moles = 0.0162

For  molarity we can assume volume as 1000 ml .

Molarity = 0.0162×1000/ 100

 Molarity →0.162 M.

So, the molarity of solution will be 0.162M.

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