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A compound is 86% carbon and 14% hydrogen by mass. What is the empirical formula for this compound?
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A compound is 86% carbon and 14% hydrogen by mass. What is the empirical formula for this compound?

User Nellz
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2 Answers

3 votes

Answer:

CH2

Step-by-step explanation:

User Vijayendar Gururaja
by
8.6k points
3 votes
First, convert grams of the elements to moles. Then you divide by the smallest number of moles to get the lowest whole number ratio.
86g C×1 mol C/12g C = 7.2 mol C/7.2= 1
14 g H×1 mol H/1g H = 14 mol H/7.2= 2
So the empirical formula is C1H2
User Srikavineehari
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8.4k points
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