Atoms that don't affect pH

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Madison Hurst
Posts: 62
Joined: Fri Sep 28, 2018 12:26 am

Atoms that don't affect pH

Postby Madison Hurst » Sat Dec 08, 2018 12:32 am

How do you know which atoms affect the pH of a solution and which ones do not? For example in NH4Br how do you know not to include Br in the chemical equation?

Zenita Leang 2K
Posts: 67
Joined: Fri Sep 28, 2018 12:28 am

Re: Atoms that don't affect pH

Postby Zenita Leang 2K » Sat Dec 08, 2018 1:02 am

Br does not contribute to the production of OH- or H2O so that is why it is not included in the equation. NH4 on the other hand can donate its H+ so it acts as an acid.

Richard Ku 4H
Posts: 29
Joined: Fri Oct 05, 2018 12:16 am

Re: Atoms that don't affect pH

Postby Richard Ku 4H » Sat Dec 08, 2018 2:44 am

Br is considered a spectator ion, and would not affect the formation of H+ or OH- ions, and hence would not affect the pH of the solution.

Katelyn Phan 2A
Posts: 61
Joined: Fri Sep 28, 2018 12:23 am

Re: Atoms that don't affect pH

Postby Katelyn Phan 2A » Sat Dec 08, 2018 10:04 pm

Atoms that don't contribute to the creation of OH- or H3O+ are spectator ions and will not affect the pH.


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