When zinc chloride (ZnCl2) reacts with NH3 solution, a white crystalline compound, Zn(NH3),CI2, is produced. A student used the procedure in this module to determine the mass percent of NH3 in Zn(NH3),,CI2. The student added 25.00 mL of 0.2500M HCl solution to an aqueous solution containing 0.3724 g of Zn(NH3),C12. The excess HCl required 18.80 mL of 0.1000M NaOH solution for complete titration. The student also found that the mass percentage of Zn in the sample is 38.36%. What is n in the empirical formula for Zn(NH3),C12?
When zinc chloride (ZnCl2) reacts with NH3 solution, a white crystalline compound, Zn(NH3),CI2, is produced. A student used the procedure in this module to determine the mass percent of NH3 in Zn(NH3),,CI2. The student added 25.00 mL of 0.2500M HCl solution to an aqueous solution containing 0.3724 g of Zn(NH3),C12. The excess HCl required 18.80 mL of 0.1000M NaOH solution for complete titration. The student also found that the mass percentage of Zn in the sample is 38.36%. What is n in the empirical formula for Zn(NH3),C12?
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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