Multiple Choice
The fuel used in many disposable lighters is liquid butane, C4H10. How many carbon atoms are in 1.50 g of butane given that the molar mass of butane is 58.12 g/mol? Express your answer numerically in atoms.
2. Atoms & Elements
Mole Concept
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How many moles are equivalent to 3.01 x 10^23 atoms of carbon?
A
0.25 moles
B
1.00 mole
C
0.50 moles
D
2.00 moles
Verified step by step guidance1
Understand that the problem is asking for the number of moles equivalent to a given number of atoms of carbon.
Recall Avogadro's number, which is approximately 6.022 x 10^23 atoms/mole. This is the number of atoms in one mole of any substance.
Set up a conversion factor using Avogadro's number to convert atoms to moles. The conversion factor is (1 mole / 6.022 x 10^23 atoms).
Multiply the given number of atoms (3.01 x 10^23 atoms) by the conversion factor to find the number of moles: (3.01 x 10^23 atoms) * (1 mole / 6.022 x 10^23 atoms).
Simplify the expression to find the number of moles, ensuring that the units of atoms cancel out, leaving you with the unit of moles.
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