At 20°C pure water requires 102.2 seconds to flow through the capillary of an Ostwald Viscometer while toluene at 20°C requires 68.9 seconds. Calculate the relative viscocity of the toluene. Densities of water and toluene are 0.998 and 0.866 g cm-3 respectively.
1
1.709 poise
2
0.585 poise
3
1.287 poise
4
1.170 poise