The Borax solution (Na2B4O7) was standardized by titrating 20.00 mL of sample with 1.044 M solution of H2SO4. It takes 2.63 mL of this H2SO4 to reach the end point. What was the concentration of this Borax solution?B4O7 2– (aq) + 7 H2O(l) → 2 B(OH)3(aq) + 2 B(OH)4 – (aq) 2 B(OH)4 – (aq) + H2SO4(aq) → 2 B(OH)3(aq) + 2 H2O(l) + SO4 2– (aq)
The Borax solution (Na2B4O7) was standardized by titrating 20.00 mL of sample with 1.044 M solution of H2SO4. It takes 2.63 mL of this H2SO4 to reach the end point. What was the concentration of this Borax solution?B4O7 2– (aq) + 7 H2O(l) → 2 B(OH)3(aq) + 2 B(OH)4 – (aq) 2 B(OH)4 – (aq) + H2SO4(aq) → 2 B(OH)3(aq) + 2 H2O(l) + SO4 2– (aq)
Chemistry
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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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The Borax solution (Na2B4O7) was standardized by titrating 20.00 mL of sample with 1.044 M solution of H2SO4. It takes 2.63 mL of this H2SO4 to reach the end point. What was the concentration of this Borax solution?B4O7 2– (aq) + 7 H2O(l) → 2 B(OH)3(aq) + 2 B(OH)4 – (aq)
2 B(OH)4 – (aq) + H2SO4(aq) → 2 B(OH)3(aq) + 2 H2O(l) + SO4 2– (aq)
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