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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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tosin tosin
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Posts: 24
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11 years ago
for example:
How do I find the coefficient of water (H2O)
from the balanced equation >>>    N2O5 (g) + H2O (l) ®  HNO3 (aq)

another example:
Find the coefficient of H3PO4
from the balanced equation >>>    H3PO4 (aq) + NaOH (aq) ®  Na3PO4 (aq) + H2O (l)

Step by step please. Thanks
I still don't get how NAOH, the coefficient is 3

whattttttttttt?Neutral FaceNeutral FaceNeutral Face?? how???
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wrote...
#1
11 years ago
when there is no coefficient given we assume it to be 1
wrote...
#2
11 years ago
for the first example
to to make it balanced it would have to be N2O5 + H2O -> 2HNO3
the coefficient of water is 1, the coefficient of HNO3 would be 2 and also 1 for N2O5

another example:
H3PO4 + 3NaOH -> Na3PO4 + 3H2O

so the coefficient of H3PO4 is 1, coefficient of NaOH is 3 etc
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