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# Compute the empirical and molecular formulas for each of ISBN: 9780321768414 33

## Solution for problem 12P Chapter 1

Organic Chemistry | 8th Edition

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Problem 12P

Compute the empirical and molecular formulas for each of the following elemental analyses. In each case, propose at least one structure that fits the molecular formula.

 C H N C1 MW (a) 40.0% 6.67% 0 0 90 (b) 32.0% 6.67% 18.7% 0 75 (c) 25.6% 4.32% 15.0% 37.9% 93 (d) 38.4% 4.80% 0 56.8% 125
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Solution 12P

(a)        For the unknown compound, we do the following computations The first computation divides the number of grams of carbon by 12, the number of grams of hydrogen by 1, and the number of grams of oxygen by 16. We compare these numbers by dividing then by the smallest number, 3.33. The final result is ratio of one carbon to two hydrogens to oxygen. This result gives the empirical formula or . The given molecular weight is 90, so our unknown compound must contain thrice this may atoms. The molecular formula must be 3 ( ) = (b)        For unknown compound, we do the following computations: This result given the empirical formula .

The weight of one unit...

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##### ISBN: 9780321768414

This textbook survival guide was created for the textbook: Organic Chemistry, edition: 8. Organic Chemistry was written by and is associated to the ISBN: 9780321768414. The answer to “Compute the empirical and molecular formulas for each of the following elemental analyses. In each case, propose at least one structure that fits the molecular formula.CHNC1MW(a)40.0%6.67%0090(b)32.0%6.67%18.7%075(c)25.6%4.32%15.0%37.9%93(d)38.4%4.80%056.8%125” is broken down into a number of easy to follow steps, and 26 words. The full step-by-step solution to problem: 12P from chapter: 1 was answered by , our top Chemistry solution expert on 05/06/17, 06:41PM. This full solution covers the following key subjects: Molecular, formula, compute, elemental, empirical. This expansive textbook survival guide covers 25 chapters, and 1336 solutions. Since the solution to 12P from 1 chapter was answered, more than 303 students have viewed the full step-by-step answer.

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