A compound has the formula . The molar mass of iron (Fe) is 55.8 g/mol and the molar mass of oxygen (O) is 16.0 g/mol. What is the percent composition of oxygen in this compound? The percent composition of oxygen is _______%(Round to one decimal places).
Answer & Analysis
Analysis
Question Analysis
This question assesses the student's understanding of how to calculate the percent composition of an element in a compound using the given molar masses.
Key Concept Explanation
The percent composition of an element in a compound is found by dividing the total mass of the element in one mole of the compound by the molar mass of the compound, then multiplying by 100%.
Step-by-step Solution
1. Determine the molar mass of the compound .
2. Molar mass of
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