problem $3(50$ points$)$ stream containing Water and Ethanol $(B,C)$ with of $(0\mathrm{.}7,0\mathrm{.}3)$ mass fraction respectively at a rate of $20c\frac{m^3}{sec}.$ For the final mixed stream calcu

A$)$ Total volume flow

B$)$ Volume fraction of all components

C$)$ Total mass flow rate

D$)$ Mass fraction of all components

E$)$ Mole fraction of all components