Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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I just have some practice questions I need help on for Chemistry 30.
Further Analysis Questions
In a redox titration, 12.50 mL of 0,800 mol/L K2CR2O7 (aq) was used in an acidic solution
to oxidize Sn?* an) ions to Sn jons. The volume of K2C12O7 (aq) used was just
sufficient to oxidize all the Sn²a) in 10.0 mL of the solution Calculate the concentration
of the Sn2*ag) ions in the solution. What colour change indicated the end point of this
calculation? Explain.
1.
2. What volume of 0.0500 mol/L KMNO4 (gg) is needed to oxidize all the Br (ag) ions in 25.0
mL of an acidic 0.200 mol/L NaBr (ag) solution? What colour change indicates the end
point of the reaction? Explain.
Copyright © 2007 Thomson Nelson
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Transcribed Image Text:Further Analysis Questions In a redox titration, 12.50 mL of 0,800 mol/L K2CR2O7 (aq) was used in an acidic solution to oxidize Sn?* an) ions to Sn jons. The volume of K2C12O7 (aq) used was just sufficient to oxidize all the Sn²a) in 10.0 mL of the solution Calculate the concentration of the Sn2*ag) ions in the solution. What colour change indicated the end point of this calculation? Explain. 1. 2. What volume of 0.0500 mol/L KMNO4 (gg) is needed to oxidize all the Br (ag) ions in 25.0 mL of an acidic 0.200 mol/L NaBr (ag) solution? What colour change indicates the end point of the reaction? Explain. Copyright © 2007 Thomson Nelson
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