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7 March, 10:55

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

A.) 0.333 M

B.) 0.751 M

C.) 1.50 M

D.) 3.00 M

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Answers (1)
  1. 7 March, 12:18
    0
    Most of the information's required for solving this question is already given. Let us now focus on the problem in hand.

    Grams/Molar Mass = Moles

    Molarity = Moles/Liters

    The above formulas are important for solving this problem.

    Number of moles of Nacl = 87.75/58.44

    = 1.50

    Molarity = Number of moles of solute (here NaCl) / Volume of solution in Liters

    Then

    Volume of solution in Liters = Number of moles of solute (here NaCl) / Molarity

    Volume of solution in Liters = 500/1500

    = 0.333 M

    The correct option among all the options that are given in the question is the first option or option "A".
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