Explanation:
proton normally = atomic number
protons = 9
7.5g
Explanation:
Given parameters:
Mass of Fe₂O₃ = 25g
Unknown:
Mass of oxygen that can be removed = ?
Solution:
Find the ratio of the oxygen atoms to that of the compound using the molar mass. Then multiply with the given mass.
Mass of oxygen =
}[/tex] x given mass
Mass of oxygen =
x 25 = 7.5g
Learn more:
Percentage composition brainly.com/question/8654167
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