Conjugate acid and conjugate base
[DOC File]ACIDS and BASES
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1.Calculate Kb for H2BO3-, the conjugate base for boric acid, H3BO3. (2 marks) 2.A 0.10 M solution of a weak acid HX has a pH of 4.26. Calculate the value of Ka for HX. (3 marks) 3.Write the equilibrium equation for the reaction of the HS- ion with water to produce a basic solution. State whether the reactants or products are favoured. (2 marks) 4.A 0.60 M solution of the weak acid HX is found ...
[DOCX File]CHEMISTRY 12 ACIDS AND BASES REVIEW
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Relationship between Ka and Kb for conjugate acid-base pairs. Recall that there is an inverse relationship between the strength of an acid and the strength of its conjugate base. The stronger the acid, the weaker is the conjugate base. We can go further and show that for any conjugate acid-base pair: KaKb= [H3O+][OH-] …
Conjugate Pairs
In each of the following chemical equations, identify the conjugate acid-base pairs. a. HSO4- + H2O ( SO42- + H3O+ b. CH3NH2 + HCl ( CH3NH3+ + Cl-c. CH3COO- + H2O ( CH3COOH + OH-Complete the equation for each of the following conjugate acid-conjugate base reactions. HNO2 + H2O ( H3O+ + NO2-
[DOC File]CHAPTER 15 - ACIDS AND BASES - Berkeley City College
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The water is acting as an acid, and its conjugate base is the hydroxide ion. The hydroxide ion can accept a hydrogen ion to reform the water. Looking at it from the other side, the ammonium ion is an acid, and ammonia is its conjugate base. The hydroxide ion is a base and water is its conjugate acid. Amphoteric substances. You may possibly have noticed (although probably not!) that in one of ...
[DOC File]Vanier College Faculty of Science and General Studies
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6) The pH of a solution of hydrochloric acid is 1.53. 7) The [OH-] concentration is 0.00100 mol/L. 8) The pOH of a solution of perchloric acid (HClO4) is 13.910. Acid and Base Worksheet – Answers. Write equations for the following acid-base reactions and indicate each conjugate acid-base pair: a) HNO3 + OH- ( H2O + NO3-
[DOC File]THEORIES OF ACIDS AND BASES
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ACIDS and BASES Classifying Acids and Bases Give the name of the conjugate partner of each of the following acids or bases: a.) SO42- b.) HI c.) S-2 d.) HNO3 In each of the following acid-base reactions, identify the acid and base on the a.) CH3COOH (aq) + H2O (l) ↔ CH3COO- (aq) + H3O+ (aq) b.) H2S (aq) + NH3 (aq) ↔ NH4+(aq) + HS- (aq) Answers 5. Give the name of the conjugate partner of ...
[DOC File]Acid and Base Worksheet
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acid 1 base 1 acid 2 base 2. In every acid-base reaction, the position of the equilibrium favors transfer of the proton from the stronger acid to the stronger base. An acid and base that differ only in the presence or absence of a proton are called a . conjugate acid-base pair. 1. Complete the table and circle all amphiprotic substances:
[DOC File]Proof that for any conjugate acid-base pair, KaKb=Kw
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A conjugate acid-base pair consists of two substances related by the donating and accepting of a(n) _____ . A solution with pH = 4 has a ( LARGER / SMALLER ) hydrogen ion concentration than a solution with pOH = 4. A 0.20 M HCl solution contains _____ M hydrogen ion (i.e., H+ or more accurately, H3O+) and _____ M chloride ion concentrations. A buffered solution is one that resists a change in ...
[DOC File]Chapter 16 Worksheet 1 - United States Naval Academy
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conjugate acid–base pair. in an acid–base equilibrium, two species that differ by the loss or gain of a proton (15.2) conjugate acid* in a conjugate acid–base pair, the species that can donate a proton (15.2) conjugate base* in a conjugate acid–base pair, the species that can accept a proton (15.2) amphiprotic species. species that can function as either a Brønsted–Lowry acid or ...
[DOC File]Acids and Bases - LCPS
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The Conjugate Acid-Base Relationships. Strong acids have weak conjugate bases, while weak acids have strong conjugate bases; the weaker the acid, the stronger will be its conjugate base. Likewise, weak bases have strong conjugate acids; the weaker the base, the stronger will be the conjugate acid it produces. For examples, HCl is a strong acid and Cl- is a very weak base; HF is a weak acid ...
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