- #1
George3
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Homework Statement
When M2S3 is heated in air, it is converted to MO2. A 4.000g sample of M2S3 shows a decrease in mass of .277 g when it is heated in air. What is the average atomic mass of M?
Homework Equations
The Attempt at a Solution
I don't not really know how to tackle this problem. I know the mass of MO2 would be 3.833g.