Questions From your mass data, calculate the percent by mass of the zinc in the compound. Assuming your empirical formula is correct, calculate the theoretical percent zinc by mass that should be present in a compound with the empirical formula you determined. What is the percent difference between the two values of percent zinc by mass you calculated? Think about the procedure of this experiment. Discuss what might be the most likely source or sources of experimental error in the method used. Explain yourself clearly

Chemistry
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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
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From your mass data, calculate the percent by mass of the zinc in the compound.
Assuming your empirical formula is correct, calculate the theoretical percent zinc
by mass that should be present in a compound with the empirical formula you
determined.
What is the percent difference between the two values of percent zinc by mass you
calculated?
Think about the procedure of this experiment. Discuss what might be the most likely
source or sources of experimental error in the method used. Explain yourself clearly
Transcribed Image Text:Questions From your mass data, calculate the percent by mass of the zinc in the compound. Assuming your empirical formula is correct, calculate the theoretical percent zinc by mass that should be present in a compound with the empirical formula you determined. What is the percent difference between the two values of percent zinc by mass you calculated? Think about the procedure of this experiment. Discuss what might be the most likely source or sources of experimental error in the method used. Explain yourself clearly
Duei Monday Y31
Name: _Adriona
Lab Partner(s) Stacy
Date: _1/24/22
Report Pages
DATA
Mass of the empty evaporating dish
48.06
니9.23
b Mass of evaporating dish plus zinc metal
50.474
C Mass of evaporating dish plus zinc-chloride compound
CALCULATIONS
Mass of zinc present in the compound
49.23-48.06
Moles of zinc present in the compound
-0018g/mol
1.17g:(1 mole
65.38g
=0.018g/mol
%3D
Molor
Mass of chlorine present in the compound
1.244
50.474-49.23 = 1. 24L4
Moles of chlorine present in the compound
0.035
1.244:
Imole
35.45
Find the empirical formula of the compound as determined by your experimental data.
6.035
: 1.944
0.018
Empirical Formula: \,944
CHEM&121
Lab 2
Transcribed Image Text:Duei Monday Y31 Name: _Adriona Lab Partner(s) Stacy Date: _1/24/22 Report Pages DATA Mass of the empty evaporating dish 48.06 니9.23 b Mass of evaporating dish plus zinc metal 50.474 C Mass of evaporating dish plus zinc-chloride compound CALCULATIONS Mass of zinc present in the compound 49.23-48.06 Moles of zinc present in the compound -0018g/mol 1.17g:(1 mole 65.38g =0.018g/mol %3D Molor Mass of chlorine present in the compound 1.244 50.474-49.23 = 1. 24L4 Moles of chlorine present in the compound 0.035 1.244: Imole 35.45 Find the empirical formula of the compound as determined by your experimental data. 6.035 : 1.944 0.018 Empirical Formula: \,944 CHEM&121 Lab 2
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