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Determination of the Empirical Formula of Magnesium Oxide Data Sheet Data Table 1: Empirical Formula of Magnesium Oxide Mass of empty crucible Mass of crucible with Mg Observations of reaction and product: Mass of crucible and product Trial 1 18.1314g 18.2537g Calculations: SHOW WORK on all calculations Trial 2 31.07g 31.634g

Determination of the Empirical Formula of Magnesium Oxide Data Sheet Data Table 1: Empirical Formula of Magnesium Oxide Mass of empty crucible Mass of crucible with Mg Observations of reaction and product: Mass of crucible and product Trial 1 18.1314g 18.2537g Calculations: SHOW WORK on all calculations Trial 2 31.07g 31.634g

Chemistry
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
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How do i get the mass of crucible and product?

 

Determination of the Empirical Formula of Magnesium Oxide Data Sheet Data Table 1: Empirical Formula of Magnesium Oxide Mass of empty crucible Mass of crucible with Mg Observations of reaction and product: Mass of crucible and product Trial 1 18.1314g 18.2537g Calculations: SHOW WORK on all calculations Trial 2 31.07g 31.634g
Transcribed Image Text:Determination of the Empirical Formula of Magnesium Oxide Data Sheet Data Table 1: Empirical Formula of Magnesium Oxide Mass of empty crucible Mass of crucible with Mg Observations of reaction and product: Mass of crucible and product Trial 1 18.1314g 18.2537g Calculations: SHOW WORK on all calculations Trial 2 31.07g 31.634g
Expert Solution
Step 1

The balanced equation for Magnesium from Mg : 

2Mg   + O2 ==> 2MgO

1) mass of empty crucible = 18.1314 g 

Mass of crucible with Mg = 18.2537 g 

Mass of Mg = mass of crucible with Mg - mass of crucible = (18.2537 g ) - (18.1314 g) = 0.1223 g 

Mass of Mg = 0.1223 g 

Molar mass of Mg = 24.31 g/ mol 

Moles of Mg = given mass of Mg ÷ molar mass of Mg = (0.1223 g) ÷ (24.31 g/mol) = 0.005 mol 

 

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