(5) How many milliliters of a 2.5% stock solution of a chemical should be
used to make 5 liters of a 1:1500 solution?
(6) How many milliliters of a 1:200 stock solution should be used to make 60
ml of a 0.025% solution?
(7) How many milliliters of a 1:50 stock solution should be used to make 250
ml of a 0.02% solution?
(8) How many milliliters of 10% (W/W) ammonia water can be made from
450 milliliters of 28% ammonia water?
(9) How many gallons of 70% (V/V) alcohol can be made from 10 gallons of
95% (V/V) alcohol?
(10) How many grams of 2% ammoniated mercury ointment can be made
from 1250 grams of 5% ammoniated mercury ointment?
MD0802
2-27