1. In this experiment we measured K, for boraxNa,B,O,(OH), 8H,0(s)=2Na*(aq)+B,0,(OH),² (aq)+8H,0(1)write down K, for this reaction in terms of reactants/productspconcentrationsWe measured the concentration of the borate by titrating it withHCl to make boric acidB,O,(OH), (a) + 2 HCI( aq) + 3 H,O(I) → 4 H,BO, + 2CI (ag)the pH at the equivalence point is pH = 4.2. What indicator did we use, and what color was the indicatorat the equivalence point?3. At 48.2°C, 5.00ml of the saturated solution of bo ax wastitrated with 0.235M HCI. It took 23.00 mL of the a id toreach the equivalence point.1. What is the molarity of the tetra-borate anion in t esolution?2. What is Kn for borax at this temperature?

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Answered: 1. In this experiment we measured K,…

1. In this experiment we measured K, for borax Na,B,0,(OH), 8H,0(s)=2Na*(aq)+ B,0,(OH),¯(aq)+8H,0(1) write down Kn for this reaction in terms of reactants/product concentrations

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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