Question
Asked Jan 17, 2019

The fuel used in many disposable lighters is liquid butane, C4H10. Butane has a molecular weight of 58.1 grams in one mole. How many carbon atoms are in 1.50 g of butane?
Express the number of atoms to three significant figures.

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Expert Answer

Step 1

Molar mass of any element is equal to the atomic mass of that element in the unit of grams. Molar mass is also equal to the mass of  6.02*10^23 atoms of that element.

Step 2

Given that

Molar mass = 58.1 g/ mole

Number of moles of any compound can be calculated by divide the amount in g with molar mass as follows:

Number of moles = amount in g/ molar mass

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Step 3

 Now calculate the mole of C in ...

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