6D. 11

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Kelly Cai 4D
Posts: 55
Joined: Sat Jul 20, 2019 12:17 am

6D. 11

Postby Kelly Cai 4D » Sun Dec 01, 2019 9:20 pm

Decide whether an aqueous solution of each of the follow-ing salts has a pH equal to, greater than, or less than 7. If pH>7 or pH< 7, write a chemical equation to justify your answer. (a) NH4Br; (b) Na2CO3; (c) KF; (d) KBr; (e) AlCl3; (f) Cu(NO3)2

Aliya Jain 2B
Posts: 101
Joined: Wed Sep 11, 2019 12:16 am

Re: 6D. 11

Postby Aliya Jain 2B » Sun Dec 01, 2019 11:49 pm

For each molecule, look at what the products of dissociation are because they will indicate whether they are acids or bases. For example, NH4Br will dissociate into NH4+ + Br-. NH4+ is able to give up a proton so the solution will be acidic.

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