Calculate the formula mass (Mr) of the compound iron (III) oxide, Fe2O3. (show working)

asked Oct 2, 2022 231k views

25 votes

Calculate the formula mass (Mr) of the compound iron (III) oxide, Fe2O3.
(show working)

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8 votes

Answer:

100

Step-by-step explanation:

Fe = 26 (look on periodic table)

O = 16

(26×2) + (16×3) = 100

Deniszh answered Oct 9, 2022

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