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Ch.1 - Intro to General Chemistry	2hrs & 53mins	0% complete	Worksheet Start
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Weak Bases

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Sections
Identifying Acids and Bases	52 mins	0 completed	Learn Summary
Arrhenius Acid and Base	7 mins	0 completed	Learn Summary
Bronsted Lowry Acid and Base	18 mins	0 completed	Learn Summary
Amphoteric	6 mins	0 completed	Learn
Lewis Acid and Base	14 mins	0 completed	Learn Summary
pH and pOH	64 mins	0 completed	Learn Summary
Ka and Kb	21 mins	0 completed	Learn
Ionic Salts	46 mins	0 completed	Learn
Diprotic Acid	31 mins	0 completed	Learn Summary
Polyprotic Acid	24 mins	0 completed	Learn

Additional Practice
Strong Acid-Base Calculations
Weak Acids

Additional Guides
Strong Acids and Strong Bases
Conjugate Acids and Bases
Weak Bases

Guide Additional Practice Summary

Solution: Part ACalculate the molar concentration of OH- ions in a 7.6 x 10-2 M solution of ethylamine (C₂H₅NH₂) (K_b = 6.4 x 10-4). Express your answer using two significant figures. Part B Calculate the pH of this solution. Express your answer using two decimal places.

Problem

Part A

Calculate the molar concentration of OH^- ions in a 7.6 x 10^-2 M solution of ethylamine (C₂H₅NH₂) (K_b = 6.4 x 10^-4). Express your answer using two significant figures.

Part B

Calculate the pH of this solution.

Express your answer using two decimal places.