The preparations of two aqueous solutions are described in the table below. For each solution, write the chemical formulas of the major species present at equilibrium. You can leave out water itself. Write the chemical formulas of the species that will act as acids in the 'acids' row, the formulas of the species that will act as bases in the 'bases' row, and the formulas of the species that will act as neither acids nor bases in the 'other' row. You will find it useful to keep in mind that HCN is a weak acid. 2 mol of KOH is added to 1.0 L of a 0.9M HCN solution. 0.30 mol of HCI is added to 1.0 L of a solution that is 1.2M in both HCN and KCN. acids: 0 bases: O other: O acids: O bases: D 0 other: O 0 O 0⁰ Do 0.0. X d F

The preparations of two aqueous solutions are described in the table below. For each solution, write the chemical formulas of the major species present at equilibrium. You can leave out water itself. Write the chemical formulas of the species that will act as acids in the 'acids' row, the formulas of the species that will act as bases in the 'bases' row, and the formulas of the species that will act as neither acids nor bases in the 'other' row. You will find it useful to keep in mind that HCN is a weak acid. 2 mol of KOH is added to 1.0 L of a 0.9M HCN solution. 0.30 mol of HCI is added to 1.0 L of a solution that is 1.2M in both HCN and KCN. acids: 0 bases: O other: O acids: O bases: D 0 other: O 0 O 0⁰ Do 0.0. X d F

Chemistry for Today: General, Organic, and Biochemistry

9th Edition

ISBN:9781305960060

Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen

Publisher:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen

Chapter9: Acids, Bases, And Salts

Section: Chapter Questions

Problem 9.84E

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The reaction just described is reversible. Deprotonation of the conjugate acid of an organic base by water provides another example of simultaneous making and breaking of sigma bonds. Thus, in the deprotonation of anilinium ion by water, the base is water, which has unshared electrons on the ________ atom. The acid is ________ ion. A pair of ________ electrons on the oxygen atom of water is pushed toward the ________ atom. Simultaneously, the pair of ________ electrons between the hydrogen and ________ atom of the anilinium ion is pushed toward the ________ atom. Thus, the oxygen- ________ sigma bond is made and a hydrogen- ________ sigma bond is broken. The nitrogen atom, which possessed a positive charge, is now ________, and the oxygen atom, which was neutral, now possesses a formal ________ charge.
Most naturally occurring acids are weak acids. Lactic acid is one example. CH3CH(OH)CO2H(s)+H2O(l)H3O+(aq)+CH3CH(OH)CO2(aq) If you place some lactic acid in water, it will ionize to a small extent, and an equilibrium will be established. Suggest some experiments to prow that this is a weak acid and that the establishment of equilibrium is a reversible process.
Write the base ionization constant expression for the ionization of each of the following bases. In each case, the nitrogen atom accepts the proton. a. CH3NH2 (methylamine) b. C2H5NH2 (ethylamine)
Explain why equilibrium arrows are used in the ionization equations for some acids.
The preparations of two aqueous solutions are described in the table below. For each solution, write the chemical formulas of the major species present at equilibrium. You can leave out water itself. E Write the chemical formulas of the species that will act as acids in the 'acids' row, the formulas of the species that will act as bases in the 'bases' row, and the formulas of the species that will act as neither acids nor bases in the 'other' row. olo You will find it useful to keep in mind that NH3 is a weak base. 0.05 mol of HBr is added to 1.0 L of a 0.4M NH3 solution. 0.2 mol of NaOH is added to 1.0 L of a solution that is 0.7M in both NH3 and NH₂Br. 4 0 0 acids: bases: other: acids: bases: 0 other: 0 x 0,0,... Ś 18 Ar K
The preparaons of two aqueous solutions are described in the table below. For each solution, write the chemical formulas of the major species present at equilibrium. You can leave out water itself. Write the chemical formulas of the species that will act as acids in the 'acids' row, the formulas of the species that will act as bases in the 'bases' row, and the formulas of the species that will act as neither acids nor bases in the 'other' row. You will find it useful to keep in mind that HCN is a weak acid. acids: 1 mol of NaOH is added to 1.0 L of a 0.7 M HCN bases: solution. other: 0.57 mol of HCl is added to acids: 1.0 L of a solution that is bases: I 1.5M in both HCN and NaCN. other: I Explanation Check 2021 McGraw.HiN Education. All Rights Reserved Terms of Use Privacy I Accessibility acer 8. O O
The preparations of two aqueous solutions are described in the table below. For each solution, write the chemical formulas of the major species prese equilibrium. You can leave out water itself. Write the chemical formulas of the species that will act as acids in the 'acids' row, the formulas of the species that will act as bases in the 'bases' row, formulas of the species that will act as neither acids nor bases in the 'other' row. You will find it useful to keep in mind that HCH, CO, is a weak acid. 1.3 mol of KOH is added to 1.0 L of a 1.3M HCH,CO₂ solution. 0.2 mol of HNO3 is added to 1.0 L of a solution that is 0.5M in both HCH3CO₂ and NaCH, CO₂. acids: ☐ bases: ☐ X 5 O other: ☐ acids: ☐ ☐ bases: ☐ ☐ other: ☐
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