교과서 질문
A solution is made by adding 0.300 g Ca1OH221s2, 50.0 mL of 1.40 M HNO3, and enough water to make a final volume of 75.0 mL. Assuming that all of the solid dissolves, what is the pH of the final solution?
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Ch.16 - Acid-Base Equilibria
Brown14th EditionChemistry: The Central ScienceISBN: 9780134414232
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TOC.tableOfContents
- Ch.1 - Introduction: Matter, Energy, and Measurement177
- Ch.2 - Atoms, Molecules, and Ions231
- Ch.3 - Chemical Reactions and Reaction Stoichiometry216
- Ch.4 - Reactions in Aqueous Solution189
- Ch.5 - Thermochemistry175
- Ch.6 - Electronic Structure of Atoms168
- Ch.7 - Periodic Properties of the Elements150
- Ch.8 - Basic Concepts of Chemical Bonding177
- Ch.9 - Molecular Geometry and Bonding Theories200
- Ch.10 - Gases179
- Ch.11 - Liquids and Intermolecular Forces113
- Ch.12 - Solids and Modern Materials154
- Ch.13 - Properties of Solutions157
- Ch.14 - Chemical Kinetics199
- Ch.15 - Chemical Equilibrium128
- Ch.16 - Acid-Base Equilibria164
- Ch.17 - Additional Aspects of Aqueous Equilibria163
- Ch.18 - Chemistry of the Environment105
- Ch.19 - Chemical Thermodynamics164
- Ch.20 - Electrochemistry171
- Ch.21 - Nuclear Chemistry122
- Ch.22 - Chemistry of the Nonmetals82
- Ch.23 - Transition Metals and Coordination Chemistry79
- Ch.24 - The Chemistry of Life: Organic and Biological Chemistry16
16장, 문제 99c
Indicate whether each of the following statements is correct or incorrect. (c) Conjugate acids of weak bases produce more acidic solutions than conjugate acids of strong bases.
검증된 단계별 안내1
Identify the concept of conjugate acids and bases. A conjugate acid is formed when a base gains a proton (H⁺).
Understand the relationship between the strength of a base and its conjugate acid. The weaker the base, the stronger its conjugate acid.
Recall that weak bases have stronger conjugate acids compared to strong bases, which have weaker conjugate acids.
Consider the effect of a strong conjugate acid in solution. Stronger conjugate acids will donate protons more readily, making the solution more acidic.
Conclude that the statement is correct: conjugate acids of weak bases produce more acidic solutions than conjugate acids of strong bases.
비슷한 문제에 대한 검증된 영상 답변:
이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
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주요 개념
질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.
Conjugate Acid-Base Pairs
In acid-base chemistry, a conjugate acid is formed when a base accepts a proton (H+). The strength of the conjugate acid depends on the strength of the original base; weak bases yield stronger conjugate acids, while strong bases yield weaker conjugate acids. This relationship is crucial for understanding the acidity of solutions formed from these pairs.
추천 영상:
가이드 코스
01:30
Conjugate Acid-Base Pairs
Strength of Acids and Bases
Acids and bases are classified as strong or weak based on their ability to dissociate in water. Strong acids completely dissociate, while weak acids only partially dissociate. This distinction affects the pH of the resulting solutions, with weak acids contributing to a higher pH compared to strong acids, which produce lower pH values.
추천 영상:
가이드 코스
00:50Strength of Conjugate Acids and Bases
pH and Solution Acidity
pH is a measure of the hydrogen ion concentration in a solution, indicating its acidity or basicity. A lower pH value corresponds to a more acidic solution. Understanding how conjugate acids influence pH is essential for evaluating the acidity of solutions derived from weak and strong bases, as the nature of the conjugate acid directly impacts the solution's pH.
추천 영상:
가이드 코스
07:51Calculating pH of Weak Acids Example
관련 실천
교과서 질문
Salts containing the phosphate ion are added to municipal
water supplies to prevent the corrosion of lead pipes. (a) Based
on the pKa values for phosphoric acid 1pKa1 = 7.5 * 10 - 3,
pKa2 = 6.2 * 10 - 8, pKa3 = 4.2 * 10 - 132 what is the Kb
value for the PO43 - ion?
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교과서 질문
Which member of each pair produces the more acidic aqueous solution: (a) ZnBr2 or CdCl2 (b) CuCl or Cu(NO3)2 (c) Ca(NO3)2 or NiBr2
472
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교과서 질문
Indicate whether each of the following statements is correct or incorrect. (d) K+ ion is acidic in water because it causes hydrating water molecules to become more acidic.
330
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