00:01
In this question, the two pressure curves are given for equis solution of metal hydroxide and pure water.
00:15
The value of moh equis by dissolving is given as 30 .9 gram moh in 100 gram of water.
00:39
The molar mass of moh is to be fined at two significant figures.
01:00
So here firstly we write about the weight of moh which is equals to 30 .96 gram and the weight of water is 100 gram.
01:25
The molar mass of water is equals to 18 at 100 degrees celsius, p .0 is equals to vapor pressure of solvent, which is equals to one at most very pressure.
01:54
And ps is equals to vapor pressure of solution which is equals to 0 .8 atmospheric pressure.
02:10
Now according to the rawls law, according to this rawls law, p .0 minus ps divided by p .0 is equals to a by m multiplied by w by now here the value of a is equal to 30 .96 gram, b is equals to 100 and number of moles is to find out where the value of w is equals to 18, p0 is equals to 1, ps is equals to 0 .8...