Finding the final concentration?

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Posted on : 14-06-2014 | By : My Study Coach | In : Improve Your Concentration
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50 microlitres of X are added to a solution of 2.5ml what is the final concentration of X?

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Comments (2)

50 microliters = 0.05 mL
So final volume of the solution = 2.5 + 0.05 = 2.55 mL
Hence the final concentration of X = 2.5 x S/2.55 = 0.98 S
Final concentration will be 0.98 times of the original concentration.

50┬ÁL = 0.05mL
Volume of water = 2.5mL
Final volume of solution = 2.55mL

Concentration of X = 0.05/2.55*100 = 1.96%v/v. in final solution.

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