A nurse is preparing  to administer Vancomycin 1 g by interm…

A nurse is preparing  to administer Vancomycin 1 g by intermittent IV bolus. Available is Vancomycin 1g in 100mL of dextrose 5% water(D5W) to infuse over 45 minutes. The drop factor of the tubing is 10gtt/mL. The nurse will deliver how many gtt/min ? Round to the nearest whole number.Do NOt use trailing zeros.

You wish to recrystallize a compound that displays a melting…

You wish to recrystallize a compound that displays a melting pointing range of 83˚C to 85˚C and has black flecks present in an otherwise colorless (white) powder. What would be the step that would remove the black flecks that also happen to be insoluble in the recrystallization solvent at any temperature (i.e. room temperature to the boiling point of the solvent)?