1. Atomic mass of magnesium from the Periodic Table is 24.305 g/mol. x= Moles of Mg used in this experiment = 0.0113145 mol of mg (Show your calculation)
1. Atomic mass of magnesium from the Periodic Table is 24.305 g/mol. x= Moles of Mg used in this experiment = 0.0113145 mol of mg (Show your calculation)
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

Transcribed Image Text:Data Table
A) Mass of crucible (g)
20.442
B) Mass of magnesium and crucible (g)
20.717
C) Mass of magnesium (g)
0.215g
D) Mass of magnesium oxide (g)
First weighing: 0.453
Second weighing: 0.455
Average mass (g)
0.454g
E) Mass of oxygen (g)
0.179g
Calculations
Watch this video only if you need help in analyzing the data you collected.
https://www.youtube.com/watch?v3DVpgb1Y321WA
1. Atomic mass of magnesium from the Periodic Table is
24.305
g/mol.
x = Moles of Mg used in this experiment =
0.0113145 mol of mg
%3D
(Show your calculation)

Transcribed Image Text:4. Calculate the theoretical %Mg in magnesium oxide.
At.mass Mg (g/mol)
x100
Molar mass MgO (g/mol)
% Mg =
5. Calculate the experimental %Mg in the oxide.
mass Mg (g)
x 100
mass MgO (g)
% Mg (exp)=
6. Calculate the theoretical %O in magnesium oxide.
At.massO (g/mol)
= 0%
Molar mass MgO (g/mol)
x100
7. Calculate the experimental %O in the oxide.
mass O (g)
%O (exp)=
x100
mass MgO (g)
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