04 Question (10 points) Watch the Chem Tour animation below on acid-base titrations. Then, answer the questions about the following reaction: CaCl2(aq) + H2O(1) See section 8.5 An aqueous solution of Ca(OH)2with a concentration of 0.143 Mwas used to titrate 25.00 mL of aqueous HCI. 13.83 mL of the Ca(OH)2 was required to reach the endpoint of the titration. Ca(OH)2(aq) + 2HCl(aq) ACID-BASE TITRATIONS Introduction A titration is the sequential addition of reactant to a solution containing other reactants. In an acid-base titration, a basic solution of known concentration is added to an acidic solution of unknown concentration, or vice versa. The basic solution is added until the complete neutralization of the acid takes place. In this manner, the volume of the basic solution added will be used to determine the unknown concentration of the acid. O Real-World Connections א "mimimimimimil

04 Question (10 points) Watch the Chem Tour animation below on acid-base titrations. Then, answer the questions about the following reaction: CaCl2(aq) + H2O(1) See section 8.5 An aqueous solution of Ca(OH)2with a concentration of 0.143 Mwas used to titrate 25.00 mL of aqueous HCI. 13.83 mL of the Ca(OH)2 was required to reach the endpoint of the titration. Ca(OH)2(aq) + 2HCl(aq) ACID-BASE TITRATIONS Introduction A titration is the sequential addition of reactant to a solution containing other reactants. In an acid-base titration, a basic solution of known concentration is added to an acidic solution of unknown concentration, or vice versa. The basic solution is added until the complete neutralization of the acid takes place. In this manner, the volume of the basic solution added will be used to determine the unknown concentration of the acid. O Real-World Connections א "mimimimimimil

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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REPORT FORM Experiment #9 – Analysis for Ions Name Section Date Unknown Sample # ΧYΖ PART A: CATION TESTS OPERATION OBSERVATION CONCLUSION Section Flame test for Na", K* and Ca“ ions NaCl Bright yellow KCI Lavender |CaCl, Not very evident Flame test for unknown Bright yellow Section 2: Test for Ca ions |(NH,),C,O̟with NaCl |(NH,),C,O, with KCI NH,),C,O, with CaCl, |(NH,),C,O,with FeCl, Clear solution Clear solution White precipitate Clear solution |(NH),C,0̟with unknown Clear solution Section 2: Test for Fe" ions KSCN with NaCl Clear solution KSCN with KCI Clear solution KSCN with CaCl, Clear solution KSCN with FeCl, Blood red precipitate KSCN with unknown Clear solution The unknown cation is
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