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A chemist must dilute 78. 9ml of 1.21m M aqueous magnesium fluoride solution unt

ID: 901873 • Letter: A

Question

A chemist must dilute 78. 9ml of 1.21m M aqueous magnesium fluoride solution until the concentration falls to 1.00m M . He'll do this by adding distilled water to the solution until it reaches a certain final volume. Calculate this final volume, in milliliters. Be sure your answer has the correct number of significant digits.


Question #4 A chemist must dilute 78.9 ml. of 1.21 mM aqueous magnesium fluoride (MgF) s Hell do this by adding distilled water to the solution until it reaches a certain final volume. Calculate this final volume, in militers Be sure your answer has the correct number of significant digits solution until the concentration fals to 1.00mM nL Over Help I haven't learned this yet

Explanation / Answer

M1 = 1.21 mM

V1 = 78.9 ml

M2 = 1.00 mM

V2 = ?

formula M1V1 = M2 V2

             1.21 x 78.9 = 1.00 x V2

           V2 = 95.5 ml

final volume = 95.5ml

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