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18 April, 05:16

Which of the following is the best piece of laboratory glassware for preparing 500.0 mL of an aqueous solution of a solid? (A) Volumetric flask (B) Erlenmeyer flask (C) Test tube (D) Graduated beaker (E) Graduated cylinder

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Answers (2)
  1. 18 April, 08:52
    0
    Volumetric flask

    Explanation:

    When preparing a standard solution, a volumetric flask is the best piece of equipment required. The volumetric flask is a special equipment designed with a mark. The mark shows the required volume of solution.

    The solute is added to the flask and simply made up to mark with distilled water to prepare a solution of the required volume in a particular volumetric flask of that volume.
  2. 18 April, 09:13
    0
    Answer: Option A. Volumetric flask

    Explanation: volumetric flask is used in preparing standard solutions to specific or definite.

    Note: Graduated beaker can only be used to estimate roughly the volume of a liquid.
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