A chemist must prepare 500.0mL of hydrochloric acid solution with a pH of 0.90 at 25°C. He will do this in three steps: Fill a 500.0mL volumetric flask about halfway with distilled water. Measure out a small volume of concentrated (7.0M) stock hydrochloric acid solution and add it to the flask. Fill the flask to the mark with distilled water. Calculate the volume of concentrated hydrochloric acid that the chemist must measure out in the second step. Round your answer to 2 significant digits. [] mL
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Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.
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A chemist must prepare 500.0mL of hydrochloric acid solution with a pH of 0.90 at 25°C.
He will do this in three steps:
- Fill a 500.0mL volumetric flask about halfway with distilled water.
- Measure out a small volume of concentrated (7.0M) stock hydrochloric acid solution and add it to the flask.
- Fill the flask to the mark with distilled water.
Calculate the volume of concentrated hydrochloric acid that the chemist must measure out in the second step. Round your answer to 2 significant digits.
[] mL
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