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9 April, 04:02

Sucralfate (molecular weight: 2087g/mol) is a major component of Carafate® which is prescribed for the treatment of gastrointestinal ulcers. The recommended dose for a duodenal ulcer is 1 g taken orally in 10 mL (2 teaspoons) of a solution four times a day. Calculate the molarity of the solution.

(A) 0.0005 M

(B) 0.048 M

(C) 0.02087 M

(D) 0.010 M

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  1. 9 April, 05:21
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    The molarity of the solution is 0.048 M (option B)

    Explanation:

    Step 1: Data given

    Sucralfate has a molar mass of 2087 g/mole

    mass = 1g

    volume = 10 mL

    Step 2: Calculate moles of sucralfate

    Number of moles = mass of sucralfate / Molar mass of sucralfate

    Number of moles = 1 g / 2087 g/mole = 4.79 * 10^-4 moles

    Step 3: Calculate molarity

    Molarity = Number of moles / volume

    Molarity = (4.79 * 10^-4 moles) / (10 * 10^-3 L)

    Molarity = 0.0479 M ≈ 0.048 M

    The molarity of the solution is 0.048 M (option B)
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