4. Consider the following redox equation (balanced) 32 H+ + 4 a. b. 4 Cr20² +3 S2-8 Cr³+ + 3 so + 16 H₂O Calculate the Molarity of a solution prepared by dissolving 0.624 g of Na2S in enough water to give 250 mL of solution. How many mL of this solution will be required to react with 0.512 g of Al2(Cr2O7)3? Suppose that 24.86 mL of this Na2S solution was required to react with 0.377 g of a dichromate salt. Which one of the following could be this salt? BaCr2O7 Fe2(Cr2O7)3 CaCr2O7 PbCr2O7 C. Bi2(Cr2O7)3. d. How many mL of the Na2S solution would be required to react with 50.00 mL of 0.300 M K2Cr207 solution?

4. Consider the following redox equation (balanced) 32 H+ + 4 a. b. 4 Cr20² +3 S2-8 Cr³+ + 3 so + 16 H₂O Calculate the Molarity of a solution prepared by dissolving 0.624 g of Na2S in enough water to give 250 mL of solution. How many mL of this solution will be required to react with 0.512 g of Al2(Cr2O7)3? Suppose that 24.86 mL of this Na2S solution was required to react with 0.377 g of a dichromate salt. Which one of the following could be this salt? BaCr2O7 Fe2(Cr2O7)3 CaCr2O7 PbCr2O7 C. Bi2(Cr2O7)3. d. How many mL of the Na2S solution would be required to react with 50.00 mL of 0.300 M K2Cr207 solution?

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

4. Consider the following redox equation (balanced)
32 H+ + 4 Cr₂0²
+ 3 S²-
+ 16 H₂O
Calculate the Molarity of a solution prepared by dissolving 0.624 g of Na2S in enough
water to give 250 mL of solution.
How many mL of this solution will be required to react with 0.512 g of Al2(Cr2O7)3?
Suppose that 24.86 mL of this Na2S solution was required to react with 0.377 g of a
dichromate salt. Which one of the following could be this salt?
Fe2(Cr2O7)3
CaCr2O7
PbCr2O7
BaCr2O7
Bi2(Cr2O7)3.
d. How many mL of the Na2S solution would be required to react with 50.00 mL of 0.300 M K2Cr2O7
solution?
a.
b.
C.
→ 8 Cr3+ 3 SO

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