volume (cm cube) :50 -100 -150 - 200 - 250
mass(g):56 - 112 - 169 - 225 - 281
a- what is the density of the liquid?
b- drawin a system of axes , the variation of the mass as a function of volume (volume abscissa ; mass ; ordinate) ?
b- determine the mass of 125cm. cube. of the liquid graphically and by calculation