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30 September, 20:01

Calculate the volume in liters of a 1.8M sodium chloride solution that contains 175. g of sodium chloride (NaCI). Round your answer to 2 significant digits.

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Answers (2)
  1. 30 September, 21:18
    0
    The volume of sodium chloride is 1.7 liters

    Explanation:

    Molarity = number of moles/volume

    Volume = number of moles/molarity

    number of moles of NaCl = mass/MW = 175/58.5 = 2.99mole

    Molarity = 1.8M (1.8mole/liter)

    Volume = 2.99mole/1.8mole/liter = 1.7 liters (to 2 significant figure)
  2. 30 September, 23:23
    0
    The volume of the NaCl solution is 1.7 L

    Explanation:

    Step 1: Data given

    Molarity of sodium chloride = 1.8 M

    Mass of sodium chloride = 175 grams

    Molar mass of sodium chloride = 58.44 g/mol

    Step 2: Calculate moles sodium chloride

    Moles NaCl = mass NaCl / molar mass NaCl

    Moles NaCl = 175.0 grams / 58.44 g/mol

    Moles NaCl = 2.995 moles

    Step 3: Calculate volume of solution

    Molarity = moles / volume

    Volume = moles NaCl / molarity

    Volume = 2.995 moles / 1.8 M

    Volume = 1.66 L ≈ 1.7 L

    The volume of the NaCl solution is 1.7 L
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