Answer to Question #123052 in General Chemistry for marie

Question

When answering the question, include the following:
State how to find the molar mass for the hydrocarbon.
State how you know if you need to multiply or divide by the molar mass.
Give the correct number of significant figures and explain why the answer has that many significant figures.
Give the numerical answer.
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Question 2)Answer the following question - Consider a sample of 10.0 g of the gaseous hydrocarbon C2H6 to answer the following question: How many carbon atoms are present in this 10.0 g sample?
When answering the question, include the following:
State how to find the number of atoms for carbon.
State how you know if you need to multiply or divide by Avogadro’s number.
Give the correct number of significant figures and explain why the answer has that many significant figures.
Give the numerical value.

Answer 1

The answer to your question is provided in the image: