00:01
Here guys, let's do problem 17.
00:03
We need to plot the calibration file for mass fraction against solution density.
00:08
We need to do this problem in excel.
00:10
However, for illustration, let's see how it looks.
00:14
So the first point will be in the density is 0 .988 here.
00:20
And the second density is around 0 .99.
00:25
And the mass ratio is close to 1.
00:30
For the second one 0 .992 it is a little bit more than 0 .15 and that's how the other three points will be at and we will get a straight line and the straight line will have this equation y equal to 545 .5x minus 539 .033 so here slope is 545 .5 .5 and the intercept will be at negative 539 .033 and the r square is 0 .9992 therefore the equation for this straight line plot is mass ratio r is equal to 545 .5 multiplied to the density negative 539 .033 next we need to estimate the mass fluoride it is given that the density the density is 0 .994 gram per centimeter cube for is solution therefore let's calculate what is the mass ratio mass ratio will be 545 .5 hundred 5x 0 .994 gram per centimeter cube minus 539 .309 .0 which gives us the mass ratio as 303 .197 gram of isylucin by 100 gram of water.
02:24
Therefore there is 3 .197 gram of isin in 100 gram of water.
02:31
And the mass flow rate therefore is volume flow rate multiplied by density multiplied by the mass ratio.
02:39
Volume flow rate is given as 150 litre per hour...