Conjugate acid base calculator

    • [DOC File]Exam - NJCTL

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      Earlier definitions, conjugate acid/base, strong and weak acids and bases, Ka and Kb relation to the strength of the acid or base, pH, pOH, [OH-], [H+] , percent ionization of weak acid /base. 1) According to the Arrhenius concept, an acid is a substance that _____. A) is capable of donating one or more

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    • [DOC File]mrjoneslhsscience.weebly.com

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      Base Acid conjugate conjugate. Acid Base. 4. Look at one set of tie lines. A . base. is always connected to a _____ (conjugate acid or conjugate base). An . acid. is always connected to a _____ (conjugate acid or conjugate base). 5. For each of these reactions label the acid and base first. Then label the conjugate acid and conjugate base.

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    • [PDF File]Chem101: General Chemistry Lecture 9 – Acids and Bases

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      A. Consider salts as the product of an acid base reaction 1. Compare the relative strengths of the acid and the base that would go make the salt. XIV. Buffers A. A mixture of a weak acid and its conjugate base 1. The weak acid will neutralize added base. 2. The weak conjugate base will neutralize added acid. 3. In this way buffers help to ...

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    • [PDF File]Mixing Acids and Bases Practice II -- Chemistry 121A Hanson

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      When we mix an acid and a base we expect a reaction. As such, our task in predicting the final pH of the solution is to: a) Identify the principal acidic and basic species being mixed. b) Write a net ionic equation leading to products (conjugate acid and base).

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    • [DOC File]Name:

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      For each of the following reactions, identify the Bronsted-Lowry acid, the Bronsted-Lowry base, the conjugate acid, and the conjugate base. Ex. ample: NH. 3 + H2O ↔ NH4+ + OH- (Base) (Acid) (Conjugate Acid) (Conjugate Base) ... Again, use your calculator to handle the math! This formula uses the antilog. To find antilog on your calculator ...

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    • [PDF File]Acid Base Key - Glendale Community College

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      Acid Base Key 1. Write the formula for the conjugate acid of the following bases: a. CN-conjugate acid is _____HCN____ b. HCO3-conjugate acid is _____H2CO3_____ c. NH3 conjugate acid is ___ NH4 d. PO4 3-conjugate acid is _____ HPO4 2-_____ 2. Write the balanced reaction for what happens when hydrobromic acid is put in water.

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    • [PDF File]Review Calculating the pH during a titration involves

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      buffer with equal amounts of weak acid and its conjugate weak base. In the example from last time, the strong base converted half of the weak acid HA into its conjugate base A-. We had 0.0025 moles of HA and 0.0025 moles of A-. Using the total volume, we had 0.0333 M HA and 0.0333 M A-. With equal molarity of conjugate acid and base: pH = pK a

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    • [DOC File]Acid-Base Titration

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      Likewise, Kb2 refers to the second base ionization constant for CO3-2. HCO3-1 should be recognized as the conjugate base of H2CO3 and Kb2 equals Kw/Ka1 where Ka1 is the first ionization constant for H2CO3. CO3-2 requires two hydrogen ions for complete neutralization to carbonic acid.

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    • [DOC File]Guided Study Acids and Bases

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      Strength in Conjugate Pairs. The stronger the acid, the weaker its conjugate base. The stronger the base, the weaker its conjugate acid. Relative acid and base strength. Acid strength is reflected by Ka values (except for very strong acids, where the Ka is too large to measure accurately). K

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    • [PDF File]Introducing Acids and Bases

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      Comparing Acid/Base Strength • More convenient to write log(K) values • Less zeros to write A A pK=−logK pKB=−logKB Acetic acid pK A =4.75 Chloroacetic acid pK A =2.87 Aminoacetic acid pK A =2.35 Stronger acid Stronger conjugate base pK A scale Complete table in Appendix B

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    • [PDF File]CHEMTUTOR ACIDS AND BASES

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      When the acid ionizes, the hydrogen ion is the acid and the rest of the original acid is the conjugate base. Nitric acid, HNO 3, dissociates (splits) into a hydrogen ion and a nitrate ion. The hydrogen almost immediately joins to a water molecule to make a hydronium ion. The nitrate ion is the conjugate base of the hydrogen ion. In the second ...

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    • [PDF File]MC Practice Test unit G Acid/Base

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      One of the two conjugate acid base pair for this reaction is a. HA and HOH. b. HA and A− c. HOH and A− d. H 3O+ and A− e. HA and H 3O+ 25. Strong acids are those which a. have an equilibrium lying far to the left. b. yield a really weak (“pathetic” in fact) conjugate base when reacting with water. c. have a conjugate base which is a ...

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    • [PDF File]TOPIC 13. WATER, ACIDS AND BASES - pH calculations.

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      Conjugate acid-base pairs. Returning to equation (1) above, the species left after an acid has dissociated (NO 3 – in this example) is called the CONJUGATE BASE of the acid. A conjugate acid/base pair are any two species +that differ in formula by a single H . Similarly, as the difference between the formulas H 2 O and H 3

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    • [DOC File]CHAPTER 15

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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

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    • [DOC File]CHAPTER 15 SOLUTIONS

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      Conjugate Base – everything that remains of the acid molecule after a proton is lost. Conjugate Acid – the base with the transferred proton (H+) Conjugate Acid – Base Pair – two substances related to each other by the donating and accepting of a single proton. Examples: Finish each equation and identify each member of the conjugate acid ...

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    • [PDF File]Worksheet18 acidbase Key

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      +, making it the base. The F- (aq) is called the conjugate base of HF. It can gain a proton in the reverse reaction. H 3O + is the conjugate acid of H 2O, since it can lose a proton in the reverse reaction. The stronger an acid, the weaker its conjugate base will be and the stronger the base, the weaker its conjugate acid.

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    • [DOC File]Monoprotic Acids and Bases

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      acid base conjugate base conjugate acid. For aqueous solutions, Acids react with water to yield H3O+ Bases react with water to yield OH- ... You can use solve using the quadratic equation by hand or by fancy calculator or use Excel and solve by successive approximation. x = 2.8877 *10-4 M instead of (2.970*10-4) [H3O+] = 1.01*10-14/ 2.8877 *10 ...

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    • [DOC File]Ionization of Water - Chemistry

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      Kb(weak base) = Kw. Ka(it’s conj. acid) Using Acid Table: Find base on right side ( if amphiprotic -locate base on right side only) It’s conjugate acid will be across from it on the left side. The Ka of it’s conjugate acid is on the far right of the same line. Use equation: Kb(base) = Kw. Ka(conj. acid) Eg.)

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    • [PDF File]A Guide to Acids and Bases

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      The definition of an acid and base are discussed according to Arrhenius. 2. Lowry-Bronsted Acid-Base Model The definition of an acid and base are discussed according to the Bronsted-Lowry theory. 3. Acid-Base Conjugate Pairs The sometimes tricky concept of conjugate acid base pairs is discussed and covered in detail. Relevant examples are given. 4.

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    • [PDF File]Lecture Notes: Ch 16 - Acids and Bases

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      example of a Brønsted-Lowry base. vi. Conjugate acids and bases 1. Substances on opposite sides of the equation that are one proton (H+) different from each other are called conjugate acid-base pairs. 2. In the reaction between HCl and water, HCl and Cl-are a conjugate acid-base pair. The other conjugate acid-base pair is H2O/H3O+. a.

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    • [PDF File]Sample Exercise 16.1 Identifying Conjugate Acids and Bases

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      should donate a proton to water, thereby acting as a Brønsted– Lowry acid, and one in which HSO. 3 – should accept a proton from water, thereby acting as a base. We are also asked to identify the conjugate pairs in each equation. Solve: The conjugate pairs in this equation are HSO. 3 – (acid) and SO. 3 2 (conjugate base); and H. 2. O ...

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    • [PDF File]Utah State University Chemistry and Biochemistry | USU

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      Identifying Conjugate Acid-Base Pairs According to Bronsted-Lowry theory, a conjugate acid-base pair consists of molecules or ions related by the loss of one H by an acid, an the gain of one H by a base. Every acid-base reaction contains two conjugate acid-base pairs because an H is transferred in both the forward and reverse directions.

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    • [PDF File]Worksheet24 PolyproticTitration Key

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      Kb of the conjugate base of the weakest acid. The example below should illustrate these points. We will plot the titration of 100 mL of 0.10 M phosphoric acid with 1.0 M NaOH. H3PO4 + H2O H2PO4-+ H 3O + K a1 = 7.5 x 10-3 H2PO4-+ H 2O HPO4 2-+ H 3O + K a2 = 6.2 x 10-8 HPO4 2-+ H 2O PO4 3-+ H 3O + K a3 = 4.2 x 10-13 1. The initial pH is ...

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    • [DOC File]Acid-Base Titration

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      The pH gives the [H3O+1]. Since [H3O+1] = [B] at the equivalence point, the Ka for the conjugate acid can be calculated. An important relationship between Kb for the base and Ka for its conjugate acid is Kw = Kb x Ka. Acid/base indicators change colors as they are converted from a weak acid to a weak base form (or vice-versa) over a known pH range.

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    • [PDF File]TABLE OF CONJUGATE ACID-BASE PAIRS Acid Base Ka (25 C)

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      TABLE OF CONJUGATE ACID-BASE PAIRS Acid Base K a (25 oC) HClO 4 ClO 4 – H 2 SO 4 HSO 4 – HCl Cl– HNO 3 NO 3 – H 3 O + H 2 O H 2 CrO 4 HCrO 4 – 1.8 x 10–1 H 2 C 2 O 4 (oxalic acid) HC 2 O 4 – 5.90 x 10–2 [H 2 SO 3] = SO 2 (aq) + H2 O HSO

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    • [PDF File]Acid-base Equilibria and Calculations - Chem1

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      In order to describe acid-base equilibria in the most general way, we will often represent an acid by the formula HA and its conjugate base as A . The actual electric charges of the species will of course depend on the particular nature of A, but the base will always have one more negative charge than the acid HA. ...

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    • [PDF File]Chapter09 props01

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      base acid acid base e) HCN(aq) + H20(aq) + CM(aq) acid base acid base Identify each conjugate acid-base pair in the equations you wrote for Exercise 9.5 SOLUTION: Acid HBr H20 HCN Conjugate Base OH CN Base H20 H20 H20 Conjugate Acid H30+ H 30 + HS03 H30+ Write a formula for the conjugate base formed when each of the following behaves as a ...

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    • [PDF File]Using Structure to Predict Acidity/Basicity

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      relatively unstable base relatively stable conjugate acid Weak base relatively stable base relatively unstable conjugate acid Effect of Structure onEffect of Structure on pKa I 2. Electronegativity of the atom attached to H the more EN the attached atom, the more acidic the molecule C < N < O < F relative electronegativity -CH 3 < -NH 2 < HO ...

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    • [PDF File]pH = -log[H

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      We can ignore the conjugate base of a strong acid HCl(aq) H+(aq) + Cl-(aq) K a = [H+][Cl-] [HCl]

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