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1. Chemical Measurements(0)

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Chemical Concentrations
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Volumetric Analysis
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Volumetric Titrations
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2. Tools of the Trade(0)

Safety & Labels
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Buoyancy
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Thermal Dependency
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Volumetric Instruments
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Filtration & Evaporation
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3. Experimental Error(0)

Significant Figures
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Addition and Subtraction Operations
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Precision and Accuracy
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Uncertainty
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4 & 5. Statistics, Quality Assurance and Calibration Methods(0)

Mean Evaluation
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The Gaussian Distribution
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Confidence Intervals
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Analysis of Variance (f-Test)
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6. Chemical Equilibrium(0)

The Equilibrium State
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The Reaction Quotient
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Le Chatelier's Principle
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Chemical Thermodynamics: Enthalpy
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Chemical Thermodynamics: Entropy
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Chemical Thermodynamics: Gibbs Free Energy
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Solubilty Product Constant
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Protic Acids and Bases
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The pH Scale
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Acid Strength
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7. Activity and the Systematic Treatment of Equilibrium(0)

Ionic Strength of Soluble Salts
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Activity Coefficients
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pH Revisited
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8. Monoprotic Acid-Base Equilibria(0)

Arrhenius Acids and Bases
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Bronsted-Lowry Acids and Bases
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Lewis Acids and Bases
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Auto-Ionization
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Ka and Kb of compounds
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Weak Acid-Base Equilibria
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Ionic Salts of Weak Acids and Bases
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Buffers
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9. Polyprotic Acid-Base Equilibria(0)

Diprotic Acids and Bases
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Polyprotic Acids and Bases
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Diprotic Buffers
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Polyprotic Buffers
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Principal Species
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11. EDTA Titrations(0)

Metal Chelate Complexes
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EDTA
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12. Advanced Topics in Equilibrium(0)

General Approach to Acid-Base Systems
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17. Fundamentals of Spectrophotometry(0)

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8. Monoprotic Acid-Base Equilibria

Buffers

8. Monoprotic Acid-Base Equilibria

Buffers: 동영상 및 연습문제

비디오 강의 실무 워크시트

20 문제점

문제 1객관식

What is a buffer in the context of analytical chemistry?

문제 2객관식

How does a buffer stabilize the pH of a solution when a strong acid is added?

문제 3객관식

Calculate the pH of a buffer solution containing 0.1 M acetic acid (pK_a = 4.76) and 0.1 M sodium acetate.

문제 4객관식

Which of the following buffer systems is most effective, given the concentrations: 0.1 M acetic acid and 0.01 M sodium acetate, or 0.1 M acetic acid and 0.1 M sodium acetate?

문제 5객관식

Which method of buffer creation involves mixing a strong base with a weak acid?

문제 6객관식

What happens to a buffer system when excessive strong acid is added?

문제 7객관식

What are the components of a buffer system involving hypochlorous acid?

문제 8객관식

How does the concentration of buffer components affect buffer capacity?

문제 9객관식

A buffer solution has a conjugate base to weak acid ratio of 0.05. Is this an effective buffer?

문제 10객관식

Why is the buffer system in human blood important?

문제 11객관식

Which of the following combinations will create a buffer solution?

문제 12객관식

What is a limitation of buffer systems?

문제 13객관식

Which of the following is a characteristic of a buffer solution?

문제 14객관식

What role does the weak acid play in a buffer solution when a strong base is added?

문제 15객관식

Using the Henderson-Hasselbalch equation, calculate the pH of a buffer solution containing 0.2 M formic acid (pK_a = 3.75) and 0.1 M sodium formate.

문제 16객관식

Given a buffer solution with 0.5 M lactic acid and 0.05 M sodium lactate, is this buffer effective?

문제 17객관식

Which of the following combinations will not create a buffer solution?

문제 18객관식

What is the consequence of adding too much strong base to a buffer system?

문제 19객관식

What is the role of sodium hypochlorite in a buffer system with hypochlorous acid?

문제 20객관식

What is buffer capacity?

Ionic Salts of Weak Acids and Bases 연습문제 Diprotic Acids and Bases 연습문제

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