al1e3nacmrYummer al1e3nacmrYummer

01-08-2016
Chemistry

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how many liters of 15.0 molar naoh stock solution will be needed to make 20.0 liters of a 1.2 molar naoh solution? show the work used to solve this problem.

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Willchemistry Willchemistry

01-08-2016

using the law of dilution :

V₂ = ?

M₂ = 15.0 M

V₁ = 20.0 L

M₁ = 1.2 M

M₁ x V₁ = M₂ x V₂

1.2 x 20.0 = 15.0 x V₂

24 = 15.0 x V₂

V₂ = 24 / 15.0

V₂ = 1.6 L

hope this helps!

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