An art student needs zinc (II) sulfide, a white pigment, for her final class project. She synthesizes it using the following reaction: Na2S (aq) + Zn(NO3)2 (s) --> ZnS (s) + 2NaNO3 (g) a) If she reacts 4.0 mL of a 2.5 M solution of Na2S with 7.1 g of Zn(NO3)2, how many grams of zinc (II) sulfide are produced? Please show your work. b) Which reactant is technically in excess in the above reaction? Please explain.
An art student needs zinc (II) sulfide, a white pigment, for her final class project. She synthesizes it using the following reaction: Na2S (aq) + Zn(NO3)2 (s) --> ZnS (s) + 2NaNO3 (g) a) If she reacts 4.0 mL of a 2.5 M solution of Na2S with 7.1 g of Zn(NO3)2, how many grams of zinc (II) sulfide are produced? Please show your work. b) Which reactant is technically in excess in the above reaction? Please explain.
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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An art student needs zinc (II) sulfide, a white pigment, for her final class project. She synthesizes it using the following reaction:
Na2S (aq) + Zn(NO3)2 (s) --> ZnS (s) + 2NaNO3 (g)
a) If she reacts 4.0 mL of a 2.5 M solution of Na2S with 7.1 g of Zn(NO3)2, how many grams of zinc (II) sulfide are produced? Please show your work.
b) Which reactant is technically in excess in the above reaction? Please explain.
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