lazygirl6804 lazygirl6804

21-04-2020
Chemistry

contestada

What is the molarity a 3.2 L aqueous solution with 12g of KCl

Respuesta :

Chelboy Chelboy

03-05-2020

Answer:0.05M

Explanation:

Mass=12g

Volume in liters =3.2L

Molecular mass of KCL=1x39.0983+1x35.453=74.5513

Number of moles=mass ➗ molecular mass

Number of moles=12 ➗ 74.5513

Number of moles=0.16

Molarity=number of moles ➗ volume in liters

Molarity=0.16 ➗ 3.2

Molarity=0.05M

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