This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.

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Answer
B
Let's figure out the simplest recipe for this chemical!
Step 1: Write down how much of each element we have. We have 0.12 moles of Carbon (C). We have 0.36 moles of Hydrogen (H).
Step 2: Find the smallest number of moles. The smallest number here is 0.12 moles (for Carbon).
Step 3: Divide the moles of each element by the smallest number of moles. This helps us find the simplest ratio. For Carbon: 0.12 mol / 0.12 mol = 1 For Hydrogen: 0.36 mol / 0.12 mol = 3
Step 4: Write the empirical formula using these whole numbers as subscripts. This means for every 1 Carbon atom, there are 3 Hydrogen atoms.
The empirical formula is CH₃.
Comparing this to the options, it matches option B.
The final answer is B.
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We have 0.12 moles of Carbon (C). We have 0.36 moles of Hydrogen (H).
This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.