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What does the 3 in 3H₂O mean? | StemPy Lab
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What does the 3 in 3H₂O mean?
Chemistry
Easy
High School (9–10)
General
Chemical Reactions › Chemical Equations
Created by
StemPy Lab
What does the
3
3
3
in
3
H
2
O
3\text{H}_2\text{O}
3
H
2
O
mean?
Three atoms of hydrogen
Water heated three times
Three molecules of water
Three atoms of oxygen in one molecule
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← Hydrogen can also strip the oxygen from iron ore: Fe₂O₃ + H₂ → Fe + H₂O. Balance it, then add up the four numbers in front.
Hot copper oxide reacts with hydrogen: CuO + H₂ → Cu + H₂O. Which substance is reduced? →
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Chemical Reactions › Chemical Equations
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