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7 June, 00:42

Given that the molar mass of NaCl is 58.44 g/mol, what is the molarity of a solution that contains 87.75 g of NaCl in 500. mL of

solution?

moles of solute

Use molarity - liters of solution

+5
Answers (1)
  1. 7 June, 01:40
    0
    Molarity = 3 M

    Explanation:

    Given dа ta:

    Molarity of solution = ?

    Mass of sodium chloride = 87.75 g

    Volume of solution = 500 mL (0.5 L)

    Solution:

    Number of moles = mass / molar mass

    Number of moles = 87.75 g / 58.44 g/mol

    Number of moles = 1.5 mol

    Molarity:

    Molarity = number of moles / volume in litter

    Molarity = 1.5 mol / 0.5 L

    Molarity = 3 M
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