Which of the following represents the three hydrocarbons listed?

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Multiple Choice

Which of the following represents the three hydrocarbons listed?

Explanation:
The idea to focus on is how to show a mixture or list of multiple species. The three hydrocarbons are methane (CH4), propane (C3H8), and butane (C4H10). To represent all three together, you write them as CH4 + C3H8 + C4H10. This notation signals a combination of the three components. The other forms each denote only one of the hydrocarbons, not the complete set, so they don’t represent all three at once.

The idea to focus on is how to show a mixture or list of multiple species. The three hydrocarbons are methane (CH4), propane (C3H8), and butane (C4H10). To represent all three together, you write them as CH4 + C3H8 + C4H10. This notation signals a combination of the three components. The other forms each denote only one of the hydrocarbons, not the complete set, so they don’t represent all three at once.

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