00:01
Okay, so this problem is having us decide how to create a precipitate, specifically calcium, phosphate.
00:12
So what would come together to create this precipitate and then to find the net ionic equation? so remember the solubility rules, if we put together, we put together calcium and a phosphate, and we have to make sure that they come together to form a precipitate.
00:32
So we need to have two compounds that are soluble that when joined together will create this precipitate.
00:41
If you recall the solubility rules, we can combine the calcium with the hydroxide, and we could combine the phosphate with ammonium ion, and that would create a soluble compound as well.
01:07
So we have two soluble compounds coming together, and we know that one of these products is the calcium phosphate that we're, we're looking for.
01:22
And since this is our precipitate, it will be a solid.
01:29
And then the other resulting product is that ammonium ion combining with the hydroxide.
01:41
I'm going to actually write it down here so you can see it...