A sample of ferric oxide (Fe2O3, density 5.24 g/mL) obtained from ignition of a
Chapter 2, Problem 2-B(choose chapter or problem)
A sample of ferric oxide (Fe2O3, density 5.24 g/mL) obtained from ignition of a gravimetric precipitate weighed 0.296 1 g in the atmosphere. What is the true mass in vacuum?
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