G.19 Solutions Manual Explanation

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G.19 Solutions Manual Explanation

Postby Susanne_Taavitsa_2J » Fri Sep 30, 2016 7:33 pm

G.19 asks what the molar concentration of K2SO4 is, given that a sample of 1.345 M of K2SO4 of volume 12.56 ml is diluted to 250.0 ml. I know that you have to find the difference between the volumes and then multiply that by the molarity,but why do you have to divide by the total volume? Sorry if the phrasing of this question is confusing.

Hao 1I
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Re: G.19 Solutions Manual Explanation

Postby Hao 1I » Fri Sep 30, 2016 9:34 pm

You have to divide the total volume again because the equation is M (initial) x V (initial) = M (final) x V (final), where the diluted solution is the final phase.

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