elp me answer this question: Q: Using your own data, is it possible to evaluate the ideas of the proust and berthollet?

Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter11: Stoichiometry
Section: Chapter Questions
Problem 50A
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Q: Using your own data, is it possible to evaluate the ideas of the proust and berthollet? 

PERCENT COMPOSITION OF A COMPOUND
Weight of crucible, cover and magnesium
Weight of crucible and cover
Weight of magnesium (a - b)
DATA
. Weight of crucible, cover and magnesium oxide
Weight of crucible and cover (from b)
Weight of magnesium oxide (d - e)
Experimental percent magnesium in magnesium oxide
(show method of calculation clearly) Report to the proper
number of significant figures.
Using accepted atomic weights, calculate:
n. Number of moles of magnesium atoms in (c)
.. Number of moles of oxygen atoms combined with the magnesium
i. Formula of magnesium oxide from your experimental values
k. Theoretical % magnesium in magnesium oxide, based on the formula MgO
1. Percent error (show method of calculation)
55.51
22.40g
21.889
0.52g
71
22-649
21.88g
0.769
68.42%.
24-312
10.021389 Mol
0.015 mol
Mg
60.31%
-8.11./
As soon as you complete the calculations, enter your value for % magnesium on the class data sheet.
Transcribed Image Text:PERCENT COMPOSITION OF A COMPOUND Weight of crucible, cover and magnesium Weight of crucible and cover Weight of magnesium (a - b) DATA . Weight of crucible, cover and magnesium oxide Weight of crucible and cover (from b) Weight of magnesium oxide (d - e) Experimental percent magnesium in magnesium oxide (show method of calculation clearly) Report to the proper number of significant figures. Using accepted atomic weights, calculate: n. Number of moles of magnesium atoms in (c) .. Number of moles of oxygen atoms combined with the magnesium i. Formula of magnesium oxide from your experimental values k. Theoretical % magnesium in magnesium oxide, based on the formula MgO 1. Percent error (show method of calculation) 55.51 22.40g 21.889 0.52g 71 22-649 21.88g 0.769 68.42%. 24-312 10.021389 Mol 0.015 mol Mg 60.31% -8.11./ As soon as you complete the calculations, enter your value for % magnesium on the class data sheet.
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