Question

Calculate molarity of solutions prepared by mixing 500ml of 2.5M urea solution and 500ml of 2M urea solution

Answer 1

Answer:

2.25 M

Explanation:

Using dilution formula :

i.e. M₃ ( V₁ + V₂ ) = M₁ V₁ + M₂ V₂

Here we have values :

V₁ = 500 mL = 0.5 L

M₁ = 2.5 M

V₂ = 0.5 L

M₂ = 2 M

Putting values we get :

M₃ ( 0.5 + 0.5 ) = ( 2.5 × 0.5 ) + ( 2 × 0.5 ) M

= > M₃ ( 1 ) = 1.25 + 1 M

= > M₃ = 2.25 M

Hence we get required answer.

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