J.17

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erica thompson 4I
Posts: 55
Joined: Wed Sep 18, 2019 12:21 am

J.17

Postby erica thompson 4I » Tue Dec 03, 2019 9:41 pm

What strategies can you use to figure out which part of the given salt is the anion/cation you're dealing with? How are you supposed to know that without looking it up?

nicolely2F
Posts: 149
Joined: Sat Sep 14, 2019 12:17 am

Re: J.17

Postby nicolely2F » Wed Dec 04, 2019 2:37 am

It's mostly a matter of knowing the table of anions and cations. This includes rules that Prof Lavelle gave (e.g. knowing the cations from Groups 1 and 2)

Ashley R 1A
Posts: 41
Joined: Sat Aug 24, 2019 12:16 am

Re: J.17

Postby Ashley R 1A » Thu Dec 05, 2019 2:59 am

to add on, if it helps i usually try to think about the strong acids and bases list, and the cations are the same. for example, with strong acids like HCl and HBr, because you know they are already strong acids then you can assume that molecules containing Cl or Br atoms can be categorized as acids.

Ashley R 1A
Posts: 41
Joined: Sat Aug 24, 2019 12:16 am

Re: J.17

Postby Ashley R 1A » Thu Dec 05, 2019 2:59 am

to add on, if it helps i usually try to think about the strong acids and bases list, and the cations are the same. for example, with strong acids like HCl and HBr, because you know they are already strong acids then you can assume that molecules containing Cl or Br atoms can be categorized as acids.

Sean Cheah 1E
Posts: 105
Joined: Wed Sep 18, 2019 12:20 am

Re: J.17

Postby Sean Cheah 1E » Thu Dec 05, 2019 9:17 am

Unfortunately, memorizing a table of common ions may be your best bet here. As far as I know, there is no easy way to determine the charge of an ion given its molecular formula alone.


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