A 25.00 mL aliquot of solution has a concentration of 3.813 x 10-5â€‹ M, what is...

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A 25.00 mL aliquot of solution has a concentration of 3.813 x10^-5â€‹ M, what is the concentration of the 50.0 mLsolution the aliquot was taken from?

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3.7 Ratings (530 Votes)

before dilutionÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â after dilution

M1 = 3.813*10^-5 MÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â M2 =

V1Â Â = 25mlÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â V2 = 50ml

Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â M1V1Â Â Â =Â Â M2V2

Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â M2Â Â Â Â = M1V1/V2

Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â = 3.813*10^-5 *25/50Â Â Â = 1.9065*10^-5 M >>>> answer

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