00:01
So in this question, it says that both h2o and h2po4 - are amphoteric.
00:07
We need to write an equation to show how each substance can act as an acid and another equation to show how each substance can act as a base.
00:15
So let's solve it.
00:19
So let's start with water h2o.
00:23
So for h2o to act a as an acid, meaning that it needs to donate proton.
00:39
So therefore, let's write an equation to show how water acts as an acid.
00:44
So we have our h2o reacting with ammonia to form ammonia plus, ammonium plus, plus our oh-.
00:59
So we can see that our water has donated a proton in order to form ammonium plus.
01:07
So this is how water acts as an acid.
01:10
So for water to act as a base, then it needs to accept proton.
01:23
So here we have our water h2o reacting with our hcl to form h3o plus, plus cl-...