00:01
Okay, so this problem is about isotopes and including like mass spectrometry and where we see isotopes in that.
00:10
So here we're looking at two different hydrogen isotopes.
00:13
One is h1, which weighs about, we'll just say one amu.
00:18
It's a tiny bit more than that.
00:19
And then the second one is hydrogen two, which weighs about two amu.
00:24
And if we look at the relative abundance of it, there's basically like no adhd.
00:30
Hydrogen 2.
00:31
There's 0 .01 % of hydrogens that are found are hydrogen 2.
00:35
Almost all of them are hydrogen 1, which weighs about 1 amu again.
00:40
But there's going to be, when we look at mass spectrometry, we're going to get a bunch of different peaks because there's more than one isotope that can come.
00:49
And so these peaks are basically how many ways you can make h2 with two different isotopes.
00:55
So the first one, it's going to be the lightest one.
00:57
It's going to be h1 and another h1.
01:02
And that's going to be like the most abundant because once again, almost every single hydrogen you'll find is weighs about one amu.
01:13
There's only a few that weigh two.
01:15
And then the next one is going to be if we have h1 bonded to an h2.
01:22
And this one will be like almost none because there's like 0 .1 % chance that we'll get one h2 in it...