Chemistry, 12.03.2021 01:00 jeronimo18
The formula Fe2O3 tells us that one mole of Fe2O3 contains .
A: 3 iron atoms and 2 oxygen atoms
B: 3 grams of iron and 2 grams of oxygen
C: 2 moles of iron atoms and 3 moles of oxygen atoms
D: 2 iron atoms and 3 oxygen atoms
Answers: 3
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Ariver current has a velocity of 5km/h relative to the shore, and a boat moves in the same direction as the current at 5 km/h relative to the river. how can the velocity of the boat relative to the shore be calculated?
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The formula Fe2O3 tells us that one mole of Fe2O3 contains .
A: 3 iron atoms and 2 oxygen atoms
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