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
i need help solving for number 4

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Lab 5 Workbook (Empirical Formula) - Microsoft Word (Product Activation Failed)
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Words: 17/374
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Mass of empty crucible
Mass of crucible with Mg
View
E-S **21¶T
Determination of the Empirical Formula of Magnesium Oxide
Data Sheet
Data Table 1: Empirical Formula of Magnesium Oxide
18.3277g- 18.1314g-0.1963g
Paragraph.
Observations of reaction and product:
M 18.2537 - 18.1314.1223
Aa AaBb AaBbC AaBbC AaBbC AaBbC
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Trial 1
Mass of crucible and product
Questions and Calculations: SHOW WORK on all calculations.
1. Calculate the mass of magnesium used in this experiment.
Trial 1
2. Calculate the mass of product made in this experiment.
Trial 1
18.1314g.
18.2537g
18.3277
Trial 2
Trial 2
31.970g-31.07g=.9g
B
m= 31.634g - 31.07g = .564
15
Trial 2
W
h
31.07g
31.634g
A
Change
Styles
31.970
140%

Transcribed Image Text:Page Layout References. Mailings
mes New Rom 12 A A Aa
3 I
Uabe X, X²
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AA-
Lab 5 Workbook (Empirical Formula) - Microsoft Word (Product Activation Failed)
Review
Words: 17/374
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EEDS ** Aa AaBb AaBbC AaBbC AaBbC Aal
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0.1963g-.1223g= 0.174g
***It is vital to calculate these values correctly, or the remaining calculations will all be incorrec
free to check with the instructor here before continuing with the remaining calculations***
Paragraph
3. Using the law of conservation of mass, calculate the mass of oxygen in the product.
Trial 1
Trial 2
0.900g-0.564g-0.336g
O
4. What is the experimental percent composition of magnesium and oxygen in the product of your
reaction?
Trial 1
Trial 2
Styles
元
Et
B
K
W
E
Expert Solution

Step 1
To calculate the percent composition , we would use the formula :
Percent composition of element = ( Mass of element / Total mass of product ) × 100
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