I am somewhat lost on step four. Step 4: Multiply the mole ratio by the smallest whole number that changes it into a whole number ratio to find the atom ratio of elements in the sample.elementmass %massmolesmole ratio Step 4: atom ratiocarbon17.9%17.9 g1.49 mol1.002 x 1.00 = 2.00~2hydrogen2.26%2.26 g2.24 mol1.502 x 1.50 = 3.00~3chlorine79.7%79.7 g2.25 mol1.512 x 1.51=3.02 23 ? QUESTIONMeasurements show that unknown compound X has the following composition:element mass %carbon17.9%hydrogen 2.26%chlorine79.7%Write the empirical chemical formula of X.

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Answered: Measurements show that unknown compound…

Measurements show that unknown compound X has the following composition: element mass % carbon 17.9% hydrogen 2.26% chlorine 79.7% Write the empirical chemical formula of X.

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

Chapter3: Composition Of Substances And Solutions

Section: Chapter Questions

Problem 37E: Determine the empirical formulas for compounds with the following percent compositions: 15.8% carbon...

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Question

I am somewhat lost on step four.

Step 4: Multiply the mole ratio by the smallest whole number that changes it into a whole number ratio to find the atom ratio of elements in the sample.
element
mass %
mass
moles
mole ratio Step 4: atom ratio
carbon
17.9%
17.9 g
1.49 mol
1.00
2 x 1.00 = 2.00~2
hydrogen
2.26%
2.26 g
2.24 mol
1.50
2 x 1.50 = 3.00~3
chlorine
79.7%
79.7 g
2.25 mol
1.51
2 x 1.51=3.02 23

? QUESTION
Measurements show that unknown compound X has the following composition:
element mass %
carbon
17.9%
hydrogen 2.26%
chlorine
79.7%
Write the empirical chemical formula of X.

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