H2O

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haleyervin7
Posts: 61
Joined: Fri Sep 28, 2018 12:15 am

H2O

Postby haleyervin7 » Wed Feb 20, 2019 9:58 pm

How do you know when/where to add H2O or H+ to the half reactions/balanced reaction when it is not in the original reaction given?

Brandon_Tran_2E
Posts: 63
Joined: Fri Sep 28, 2018 12:23 am

Re: H2O

Postby Brandon_Tran_2E » Wed Feb 20, 2019 10:56 pm

You add H2O to balance the amounts of oxygen on the sides of reaction. Since you add H2O you then would at H+ on the other side of the reaction to balance it from the added H2O you just put in.

Emmaraf 1K
Posts: 94
Joined: Sat Oct 20, 2018 12:16 am

Re: H2O

Postby Emmaraf 1K » Wed Feb 20, 2019 11:13 pm

If you have more oxygen atoms on one side, add enough H2O to the other side so that both sides have the same number of oxygen atoms. Then, you will have a disproportionate number of H atoms on the side you added H2O to so add enough H+ to the other side of the reaction so that there are the same number of H atoms on both sides.

Albert_Luu3K
Posts: 62
Joined: Fri Sep 28, 2018 12:23 am

Re: H2O

Postby Albert_Luu3K » Thu Feb 21, 2019 7:08 pm

What do you do if the solution is basic? Adding OH- would add more oxygen and hydrogen.


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