3) In a far away land and long ago, a series of experiments were carried out. Three samples of minerals where collected, and the sample were analyzed, and found to contain two elements kalium and pyron.. They use X for kalium and IO for pyron. Sample.. A (from a mine). B (from a dry lake). C (from the foundation of a castle). 0.8729 Mass (g) g of Kalium g of Pyron 0.5236 0.2755 0.2481 0.6918 0.4770 0.2148 0.4592 0.4137 Use the Law of Conservation of Mass to determine if the data is worth using. semple A (froma mire) (g) o. S2 36 sample B Cfroma diy latke) o. 6918 Sample c (Erome fandatior ofccoofle O. 8729 (g) o. 2755 X + 0 248TED Thus every sampe has different vawes of the Same element, the mess of each sample is equal to the addifion of itscomponents, wice states that the mass ofthe procuct matchesthe mass of the' sample. +ש סר q7-ס o.2148 Io 0.4592 + 0.4137 EO Use the Law of Constant Composition to determine if any of the samples could be the same substance. Use the Law of Multiple Proportions to determine possible empirical formulas.
3) In a far away land and long ago, a series of experiments were carried out. Three samples of minerals where collected, and the sample were analyzed, and found to contain two elements kalium and pyron.. They use X for kalium and IO for pyron. Sample.. A (from a mine). B (from a dry lake). C (from the foundation of a castle). 0.8729 Mass (g) g of Kalium g of Pyron 0.5236 0.2755 0.2481 0.6918 0.4770 0.2148 0.4592 0.4137 Use the Law of Conservation of Mass to determine if the data is worth using. semple A (froma mire) (g) o. S2 36 sample B Cfroma diy latke) o. 6918 Sample c (Erome fandatior ofccoofle O. 8729 (g) o. 2755 X + 0 248TED Thus every sampe has different vawes of the Same element, the mess of each sample is equal to the addifion of itscomponents, wice states that the mass ofthe procuct matchesthe mass of the' sample. +ש סר q7-ס o.2148 Io 0.4592 + 0.4137 EO Use the Law of Constant Composition to determine if any of the samples could be the same substance. Use the Law of Multiple Proportions to determine possible empirical formulas.
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter2: Atoms, Molecules, And Ions
Section: Chapter Questions
Problem 25E: The average atomic masses of some elements may vary, depending upon the sources of their ores....
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Step 1
In 2)
Use law of constang proportion
Divide the both Kalium and pyron masses
We see that A same and C sample is same element since Gives the almost same ratio.
0.2775/0.2481 =1.11
Now take B
0.4770/0.2148=1.9
Hence taking the smallest we get formula as
For A :
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