sarahmaldonado1 sarahmaldonado1

01-02-2017
Chemistry

Answered

What would be the resulting molarity of a solution made by dissolving 21.9 grams of KCl in enough water to make an 869-milliliter solution? Show all of the work needed to solve this problem.

Verified Answer :

Willchemistry Willchemistry

01-02-2017

Molar mass KCl = 74.5513 g/mol

Number of moles:

21.9 / 74.5513 => 0.293 moles

Volume = 869 mL / 1000 => 0.869 L

Molarity = moles / Volume

Molarity = 0.293 / 0.869

=> 0.337 M

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