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MMLU / A stock solution of 12.0 M sulfuric acid is made available. What is the best…

Problem

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question

A stock solution of 12.0 M sulfuric acid is made available. What is the best procedure to make up 100. mL of 4.0 M sulfuric acid using the stock solution and water prior to mixing?

choices

  1. Add 33.3 mL of water to the flask, and then add 66.7 mL of 12.0 M acid.
  2. Add 33.3 mL of 12.0 M acid to the flask, and then dilute it with 66.7 mL of water.
  3. Add 67.7 mL of 12.0 M acid to the flask, and then dilute it with 33.3 mL of water.
  4. Add 67.7 mL of water to the flask, and then add 33.3 mL of 12.0 M acid.

subject

high_school_chemistry

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