Question

You have a sample of 75.6 g of C3H8. How many moles of C3H8 are in the sample?

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Answer 1

1.1782 moles

Step-by-step explanation:

Number of moles of C3H8

= mass ÷ molar mass

= 75.6 g x [(3 x 12) + (8 x 1)]

= 75.6 g x 44

= 1.1782 moles