The molar volume $($cm$3$ mol$-1)$ of a binary liquid mixture at T and P is given by:

V $=120$x$1+70$x$2+(15$x$1+8$x$2)$x$1$x$2$

b$).$ Find pure$-$fluid molar volume of component $1$ at these T and P$.$

c$).$ Find partial molar volume of species $1$ at these T and P and infinite dilution