Asked by help

How do you know the number of ions present in a compound.
Answered by DrBob222
Do you know the ions?
Answered by help
Its just a general question. I'm trying to get the van't hoff factor and i think you need to know number of ions present.
for example how do you know the # ions present in
k2s
Answered by bobpursley
There are two K+ ions, and one S-- ion, so three ions.

IN Mg(OH)2, there are three ions (Mg, two OH-)

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