Salts as Acids and Bases

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Brandon Valafar
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Joined: Sat Aug 17, 2019 12:16 am
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Salts as Acids and Bases

Postby Brandon Valafar » Thu Dec 05, 2019 1:06 am

For finding NH4Cl in an aqueous solution, why does Cl- not impact the pH and why do we leave it out of the equilibrium equation? Furthermore, when do we know to leave out atoms when dealing with salts in equilibrium equations?
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RoshniVarmaDis1K
Posts: 51
Joined: Sat Aug 24, 2019 12:16 am

Re: Salts as Acids and Bases

Postby RoshniVarmaDis1K » Thu Dec 05, 2019 1:18 am

Cl- is the conjugate base of a strong acid so it is a stable anion. This means it does not affect pH much in the solution, so it is left out of the equilibrium equation.
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Anish Patel 4B
Posts: 59
Joined: Thu Jul 11, 2019 12:17 am

Re: Salts as Acids and Bases

Postby Anish Patel 4B » Thu Dec 05, 2019 1:22 am

Cl- is a neutral ion and thus does not affect pH of a solution. If you are able to write the acid disassociation equation with the ion on both sides, you know that the atom is neutral.
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