Classifying Salts
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Classifying Salts
When you're given a salt (ex: BaCl) in water, how can you tell if it will act as an acid or base in solution?
Re: Classifying Salts
I think it depends on the reaction because we can tell something is an acid if they are a proton donor while a base is a proton acceptor. Knowing this you would have to see whether the salt is giving away its proton or accepting it.
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Re: Classifying Salts
You can do so by writing out the reaction for the salt and analyzing the products.
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Re: Classifying Salts
Seeing if OH- or H+ ion is produced is a way to see if the salt given will act as an acid or a base in water. You must write out the reaction in order to see this.
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Re: Classifying Salts
follow up question: wouldn't BaCl be one of the salts that doesn't affect pH because Ba+ is in group 2?
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Re: Classifying Salts
You have to look at the cation and anion of the salt and determine if they are stable as cations and anions. If they are not stable as cations and anions, then they will probably affect the pH.
Yes, BaCl would not affect the pH because Ba+ is in group 2 and because Cl- is a stable anion.
Yes, BaCl would not affect the pH because Ba+ is in group 2 and because Cl- is a stable anion.
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