A liquid mixture containing $10\mathrm{.}0$wt$\%$ n$-$octane and the balance n $-$decane flows into a tank mounted on a balance. The mass in kg indicated by the scale is plotted against time. That data fall on a straight line that passes through the points $($t$=3\mathrm{.}00$min,m$=145$kg$)$ and $($t$=14\mathrm{.}00,$m$=211$kg$).$ Estimate the volumetric flow rate of the liquid mixture. What does the empty tank weigh? eTextbook and Media Hint Calculate the density of the mixutre by assuming a basis of a mass of the mixture. Calculate the volume of that mixure. Then calculate the density of the mixture. Remember the difference between weight and mass.