Methane and Ethane Are Both Made Up of Carbon and Hydrogen

question 174

Multiple Choice

Methane and ethane are both made up of carbon and hydrogen. In methane, there are 12.0 g of carbon for every 4.00 g of hydrogen, a ratio of 3:
1 by mass. In ethane, there are 24.0 g of carbon for every 6.00 g of hydrogen, a ratio of 4:
1 by mass. This is a statement of the law of _.

• A) multiple proportions
• B) conservation of matter
• C) octaves
• D) conservation of mass
• E) constant composition

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