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طيب هادي السؤالين كيف طريقة حلها؟؟؟
13. The hydrocarbon formula C4H8 has a total of _____ possible isomers.
A) three
B) five
C) four
D) six
14. The compound C3H5Br will have _____ possible isomers.
A) fourB) three
C) two
D) five
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