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igor_vitrenko [27]
3 years ago
10

A chemical engineer has determined by measurements that there are 0.040 moles of carbon in a sample of methyl tert-butyl ether.

how many moles of oxygen are in the sample?
Chemistry
1 answer:
ryzh [129]3 years ago
8 0
<span>0.008 moles

First, you need to determine the chemical formula of methyl tert-butyl which is (CH3)</span>₃<span>COCH</span>₃<span>. From there you need to figure out how many carbon atoms there are per molecule and how many oxygen atoms there are per molecule.
The CH</span>₃<span> section has 1 carbon atom. That section is duplicated 3 times for a total of 3 carbon atoms. The trailing section of COCH</span>₃<span> has another 2 carbon atoms so you have a total of 5 carbon atoms per molecule. And the COCH3 section has only 1 oxygen atom, giving a total of 1 oxygen atom per molecule of Methyl tert-butyl. So now you know there's 5 carbon atoms per oxygen atom, so the number of moles of Oxygen is one fifth the number of moles of carbon.

Moles Oxygen = Moles Carbon / 5
Moles Oxygen = 0.040 / 5
Moles Oxygen = 0.008</span>
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