WEBVTT
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So you're given a compound which has a formal off
2
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exhale for and here the seal of the chlorine has
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a percentage off seventy five percent by month. Where
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to find our day element X So we will start
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by zooming this seventy five percent as seventy five gram
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massive florine And from there we will find out the
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number ofthe most ofthe chlorine. And then we will
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ah use their number off malls To find out the
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number of malls for X and from the number of
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malls off eggs, we'LL be able to find out
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which Element X is. So let's start with as
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zooming seventy five percent as seventy five grams Florian that
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means mall's off chlorine in this compound is seventy five
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grams over thirty five point four five Grandpa, our
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mole and it will give us a value off two
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point one two more. So this is the number
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of most ofthe chlorine. Now, if we consider
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the mass ofthe X, um in the calm bone
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as twenty five grams since the total mass off the
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come believe one hundred gram and since Clarence Mother's seventy
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five grand that made the rest will be there mass
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off Ex says there is no other element in this
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compound that Mintz the mass of eggs in this compound
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will be twenty five grams. That means mall's off
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sale will be up, not sail if x Well
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, maybe twenty five gram over the molar mass effects
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which we do not know. So we will assume
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it as why Grandpa, our mole and well as
29
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you The number of malls as zimmel. Now what
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we'LL do is so sins the number ofthe chlorine atoms
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. You know what a molecule is for? And
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we know that, um, to find out the
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simplest ratio. What we do is we divide each
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number off malls. Bye. Smallest number of Malta
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get the simplest ratio. And since here the ratio
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of X is one. That means each number ofthe
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mall was divided by the number of malls. Off
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eggs to find are the simplest precio. And this
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and the issue of chlorine here is for which is
40
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so the ratio off X and seal here is one
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is two four and that means ah, Florence number
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of malls, which is two point one toe over
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the number of more off, see the number one
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ofthe X, which is seem all well, give
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us a fellow for no. And from here we
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00:04:04.349 --> 00:04:10.590 A:middle L:90%
can find out the Vela off. See that,
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Mr Bellows? He will be two point one toe
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more over four and give us a value off zero
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point five three more. So this is the number
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of malls off X And now just replacing C by
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that velo, we can find out the value ofthe
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way. Men's Why over? I don't know what
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twenty five grams over why, Grandpa, our mole
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is on the value of Z, which is the
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urban five three mall. And from here we can
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find a bell off. Why? Which is twenty
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five gram over zero point five three mall and you
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give us a bell off forty seven point one seven
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. Grandpa Armel. So this is the number.
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This's the molar mass off eggs. And if we
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compared the molar mass with that with the values are
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the calculated fellows will see that this is close.
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Toe the monuments off titanium, which has a mother
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myself off forty seven point eight seven gram bar.
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More so from Erica's say that the Element X is
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titanium