A sample of aluminum oxide has a mass of #"6.67 g"#. It was found to contain #"4.78 g Al"#. What is the percent composition of aluminum in the sample?
1 Answer
The sample of aluminum oxide contains 71.7% aluminum.
Explanation:
To calculate the mass percent composition of aluminum in aluminum oxide, you divide the given mass of aluminum by the given mass of aluminum oxide and multiply times 100.
The sample of aluminum oxide contains 71.7% aluminum.