Multiple Choice
The molar mass of a compound is 52.07 g/mol. Its empirical formula is CH. Determine the molecular formula of the compound.
3. Chemical Reactions
Molecular Formula
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Which of the following is NOT a molecular compound?
A
CO2
B
H2O
C
S8
D
C3H8
E
All of the above are examples of molecular compounds.
Verified step by step guidance1
Step 1: Understand the definition of a molecular compound. Molecular compounds are composed of molecules formed by atoms of two or more nonmetals bonded together.
Step 2: Analyze each given compound to determine if it fits the definition of a molecular compound. Look for nonmetal elements bonded together.
Step 3: Examine CO2 (carbon dioxide). It consists of carbon and oxygen, both nonmetals, bonded together, making it a molecular compound.
Step 4: Examine H2O (water). It consists of hydrogen and oxygen, both nonmetals, bonded together, making it a molecular compound.
Step 5: Examine S8 (octasulfur). It consists of sulfur atoms bonded together. While sulfur is a nonmetal, S8 is not a molecular compound in the traditional sense because it is a single element, not a compound formed by different elements.
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