In general we know [tex]1 liter = 1000 milliliters.[/tex]
1 minute = 60 seconds.
So 1 liter/minute = 1000 milliliters/60 seconds
100/6 milliliters/second.
So 50 liter/minute = [tex] 50 * \frac{100}{6} [/tex] milliliters/second
[tex]= \frac{5000}{6} [/tex] milliliters/second
[tex]= 833.334[/tex] milliliters / second