Answered

Determine the concentration of a solution prepared by diluting 20. 0 mL of a 0. 200 M CSOH to a final volume of 250. 0 mL.

(CsOH = 149. 92 g/mol)

a) 0. 00800 M

b) 0. 0320 M

c) 1. 25 M

d) 0. 0160 M

e) 0. 160M

Answer :

The concentration of solution is 0.0160M.

Option d) is correct

What is dilution equation?

When we dilute a solution by increasing the volume so as to decrease the molarity of the substance. By using this we can find the concentration.

M₁V₁=M₂V₂

M1 = initial molarity =0.200M

M2= Final molarity =M2

V1= Initial volume= 20mL

V2= Final volume = 250mL

Using this equation

0.200×20/1000 = M2×250/1000

⇒M2 = 0.400/ 25 = 0.0160M

For more information about dilution equation please visit:

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