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?

Respuesta :

Mi * Vi = Mf * Vf

2.5 * Vi = 0.50 * 100.0

2.5 Vi = 50

Vi = 50 / 2.5

Vi = 20 mL

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Answer:

20 milliliters

Explanation:

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