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Concept explainers
(a)
Interpretation:
More acidic solution of
Concept Introduction:
An electrolyte refers to an ionic compound that on solvation in polar protic solvents ionizes to yield cationic and anionic species. The free movement of such ionic species results in the conduction of electricity.
Three subcategories exist for electrolyte namely strong electrolyte weak electrolyte and non-electrolyte. The strong electrolytes on dissolution exhibit
In contrast, the weak electrolytes are not
(b)
Interpretation:
More acidic solution of
Concept Introduction:
Refer to part (b).
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Chapter 15 Solutions
FOUND.OF COLLEGE CHEMISTRY
- Follow the directions of Question 19 for the following acids: (a) hypochlorous acid (b) formic acid, HCHO2 (c) acetic acid, HC2H3O2 (d) hydrobromic acid (e) sulfurous acidarrow_forwardClassify each of the following as a strong or weak acid or base. a NH3 b HCNO c Mg(OH)2 d HClO3arrow_forwardA solution of sodium cyanide, NaCN, has a pH of 12.10. How many grams of NaCN are in 425 mL of a solution with the same pH?arrow_forward
- What is the freezing point of vinegar, which is an aqueous solution of 5.00% acetic acid, HC2H3O2, by mass (d=1.006g/cm3)?arrow_forwardWrite two BrnstedLowry acid-base reactions and show how they represent proton-transfer reactions.arrow_forwardA Liquid HF undergoes an autoionization reaction: 2HFH2F++F (a) Is KF an acid or a base in this solvent? (b) Perchloric acid, HCIO4, is a strong acid in liquid HF. Write the chemical equation for the ionization reaction. (c) Ammonia is a strong base in this solvent. Write the chemical equation for the ionization reaction. (d) Write the net ionic equation for the neutralization of perchloric acid with ammonia in this solvent.arrow_forward
- Differentiate between the terms strength and concentration as they apply to acids and bases. When is HCl strong? Weak? Concentrated? Dilute? Answer the same questions for ammonia. Is the conjugate base of a weak acid a strong base?arrow_forwardWhy is H3O+ the strongest acid and OH the strongest base that can exist in significant amounts in aqueous solutions?arrow_forwardOne half liter (500. mL) of 2.50 M HCl is mixed with 250. mL of 3.75 M HCl. Assuming the total solution volume after mixing is 750. mL, what is the concentration of hydrochloric acid in the resulting solution? What is its pH?arrow_forward
- 6. Acids and bases are defined by their donation or acceptance of a proton according to the (a) Arrhenius model. (b) Bronsted-Lowry model. (c) Lewis model.arrow_forwardThe pH of a solution is 2.45. What is the molar concentration of hydronium ions in the solution? The answer should be to the proper number of significant digits.arrow_forwarda) Write the formula for the conjugate base of HPO,2 b) Write the formula for the conjugate acid of NH;arrow_forward
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