2 moles of sodium chloride are dissolved in 8 liters of water. What is its molarity (M) ?

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2 moles of sodium chloride are dissolved in 8 liters of water. What is its molarity (M) ?

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Hải Đăng 4 years 2021-07-27T03:16:58+00:00 1 Answers 72 views 0

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  1. nguyetanh
    0
    2021-07-27T03:18:29+00:00
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    Answer:

    0.25M

    Explanation:

    Since molarity is defined as the amount of substance in 1 liter of a solution, and amount in chemistry refers to the number of moles, molarity can be found using the equation below:

    Molarity= number of moles ÷ volume in liters

    Given: number of moles= 2

    Volume= 8L

    ∴ Molarity of NaCl

    = 2 ÷8

    = 0.25M

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