vicky1208 vicky1208

09-09-2016
Chemistry

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What volume of a 2.5 M stock solution of acetic acid (HC2H3O2) is required to prepare 100.0 milliliters of a 0.50 M acetic acid solution? Use the equation MconcentratedVconcentrated = MdiluteVdilute.

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09-09-2016

[tex]100mL=0,1L\\\\ 2,5\frac{mol}{L}*V_{c}=0,5\frac{mol}{L}*0,1L\\\\ V_{c}=\frac{0,5\frac{mol}{L}*0,1L}{2,5\frac{mol}{L}}=0,02L=20mL[/tex]

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