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Question 10.3: Write a molecular formula and a structural formula (or conde...

Write a molecular formula and a structural formula (or condensed structural formula) for the following:

Strategy Count the C atoms represented and the heteroatoms shown. Determine how many H atoms are present using the octet rule.

Setup Each line represents a bond. (Double lines represent double bonds.) Count one C atom at the end of each line unless another atom is shown there. Count the number of H atoms necessary to complete the octet of each C atom.

10.3-2
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(a) Molecular formula: C4H8; structural formula: CH3(CH)2CH3.

(b) Molecular formula: C2H5NO; structural formula: CH3CONH2.

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