1. which hydrocarbons pair hsd identical percent composition by madd of carbons
a. C3H4 and C3H6
B. C2H4 and C3H4
C. C2H4 anf C4H2
d. C2H4 and C3H6
2. which of the following samples contains the smallest number of molecules?
a. 1g phosphorus, P4
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Answer:
b,a the answer
Explanation:
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