Chemistry Practice Problems Atomic Theory Practice Problems Solution: Benzene, ethane, and ethylene are just three of a ...

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Solution: Benzene, ethane, and ethylene are just three of a large number of hydrocarbons-compounds that contain only carbon and hydrogen. Show how the following data are consistent with the law of multiple proportions.CompoundMass of carbon in 5.00  g  sampleMass of hydrogen in 5.00  g  sampleBenzene4.61 g0.39 gEthane4.00 g1.00 gEthylene4.29 g0.71 g

Problem

Benzene, ethane, and ethylene are just three of a large number of hydrocarbons-compounds that contain only carbon and hydrogen. Show how the following data are consistent with the law of multiple proportions.


CompoundMass of carbon in 5.00  g  sampleMass of hydrogen in 5.00  g  sample
Benzene4.61 g0.39 g
Ethane4.00 g1.00 g
Ethylene4.29 g0.71 g



Solution

We're asked to show if the data given are consistent with the Law of Multiple Proportions. 


The mass ratios for Carbon and Hydrogen for compounds benzene, ethane, and ethylene are given below: 

CompoundMass of carbon in 5.00  g  sampleMass of hydrogen in 5.00  g  sample
Benzene4.61 g0.39 g
Ethane4.00 g1.00 g
Ethylene4.29 g0.71 g


Recall that according to the Law of Multiple Proportions: 

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