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HCl

Definition

Hydrochloric Acid, a strong monoprotic mineral acid commonly used in labs and industry.

Related terms

Strong Acid: An acid that completely dissociates into its ions when dissolved in water. Hydrochloric Acid is an example of this.

Monoprotic Acid: An acid that can donate only one proton or hydrogen ion per molecule.

Molarity: A measure of the concentration of a solute in a solution, often used when discussing acids like HCl.

"HCl" appears in:

Study guides (1)

  • AP Chemistry - 7.5 Magnitude of the Equilibrium Constant

Practice Questions (13)

  • What amount of 1.0 M HCl must be added to a 40. mL of 2.0 M LiOH in order to completely neutralize the solution?

  • What amount of 1.0 M HCl must be added to a 40. mL of 2.0 M Ba(OH)₂ in order to completely neutralize the solution?

  • What is the molarity of 100mL HCl if it completely reacts with 50 mL of 2.0 M LiOH in order to completely neutralize the solution?

  • What is true about the oxidation states in the redox reaction Fe + 2HCl -> FeCl₂ + H₂?

  • What is true about the redox description in the redox reaction Fe + 2HCl -> FeCl₂ + H₂?

  • 300 mL of 1.0 M HCl is added to 100 mL of 1.0 M NaOH. What is the pH of the resulting solution?

  • When a small amount of HCl is added to a solution containing equimolar amounts of NaF and HF, which of the following statements is true?

  • Consider the titration of 100.0 mL of 0.200 M CH3NH2 by 0.100 M HCl. What is the pH of the solution after 65.0 mL of HCl has been added? (pKa = 10.643)

  • What is the pH of a solution containing 20.0 mL of of 0.243 M KX with 27.9 mL of 0.106 M HCl? The pKa of HX is 10.39.

  • Put the following acids in order of INCREASING acid strength: HI, HCl, HBr, HF.

  • Consider a solution initially containing 0.40 mol fluoride anion and 0.30 mol of hydrogen fluoride. If 0.40 mol of HCl are added to the solution, which of the following statements is FALSE?

  • You are given a 600 mL sodium phosphate buffer with a pH of 7.39. 150 mL of 0.2 M HCl is added to the buffer which causes the pH to drop to 7.03. What is the capacity of the buffer?

  • How many moles of HCl would need to be added to a 250 mL solution containing 0.5 M NaC2H3O2 and 0.5 M HC2H3O2 to make the pH of the solution be 4.25? (Kₐ = 1.77x10^-5)

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About Us

About Fiveable

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CCPA Privacy Policy

Resources

Cram Mode

AP Score Calculators

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Glossary

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AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.