Answer:
81cm is the answer.
Explanation:
Let X be the length from the HCl end, and therefore, (2-x) from the other end.
For X length, rate of diffusion is :
dx/dt=P A/(Square root of 36.5T
d(2−x)/dt=PA/(square root of 17 T
Dividing both we get;
X/(2−x)= square root of 36.5/17
X=2/2.466=0.81 or81cm
