1. (a) Balance the following reaction in acidic conditions: (do the work below and put a box around the final equation) Cr,O+C,O→ Cr3+ + CO2 (b) Sodium oxalate (Na₂C₂O4, 0.4800 g) was dissolved in acid and titrated with a 0.220 M K₂Cr₂O7 solution. Determine the volume (in mL) of the K₂Cr₂O, solution required to get to the end point. (MM of Na₂C₂O4= 134.00 g/mol) Hint: don't forget stoichiometry! 112-11

1. (a) Balance the following reaction in acidic conditions: (do the work below and put a box around the final equation) Cr,O+C,O→ Cr3+ + CO2 (b) Sodium oxalate (Na₂C₂O4, 0.4800 g) was dissolved in acid and titrated with a 0.220 M K₂Cr₂O7 solution. Determine the volume (in mL) of the K₂Cr₂O, solution required to get to the end point. (MM of Na₂C₂O4= 134.00 g/mol) Hint: don't forget stoichiometry! 112-11

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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Question

b.
1. (a) Balance the following reaction in acidic conditions: (do the work below and put a box around
the final equation)
Cr³+ + CO2
Cr₂O₂+C₂04²-
(b) Sodium oxalate (Na₂C₂O4, 0.4800 g) was dissolved in acid and titrated with a 0.220 M K₂Cr₂O7
solution. Determine the volume (in mL) of the K₂Cr₂O7 solution required to get to the end point. (MM
of Na₂C₂O4= 134.00 g/mol) Hint: don't forget stoichiometry!
+12=14
8
+6
- 2
Cr₂0₂2² + (₂04² → Cr³+ + CO₂
2-
1+6+3 g [R]

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