
2. How many ounces of a 15% acid solution must be mixed with 5 gal. of...
How many ounces each of 5% sulfuric acid and 20% sulfuric acid must be combined to get 20 ounces of 12.5% sulfuric acid? (Percent as a decimal) (ounces of solution) (ounces of upre acid) 0.05 x 0.05 x= _______ 0.20 y 0.20 y= _______ 0.125 20 0.125 (20) = __2.5________
How many ml of 97% alcohol should be mixed with 25% alcohol to make 6 ounces of a 40% solution? Answer: [a] ml of 97% alcohol (#ml) Do not round
how many gallons of a 50% antifreeze solution must be mixed with 90 gallons of 15% antifreeze to get a mixture that is 40% antifreeze
How many liters of a 10% alcohol solution must be mixed with 70 liters of a 70% solution to get a 50% solution?
25)Example 20 A manufacturer has 600 litres of a 12% solution of acid. How many litresof a 30% acid solution must be added to it so that acid content in the resulting mixturewill be more than 15% but less than 18%?
How many grams of a 5% sulfur ointment must be mixed with 180 grams of 20% sulfur ointment to prepare an 8% sulfur ointment?
How many liters of a 10% aqueous mixture must be mixed with
another part that is 20% to have 50 liters of a 16% solution?
a) 10 L al 10% y 40 L al 20% b) 20 L al 10% y 30 L al 20% c) 40 L al 10% y 10 L al 20% d) 12.5 L al 10% y 38.5 L al 20%
How many ml of 95% alcohol should be mixed with 30% alcohol to make 23 fluid ounces of a 40% solution?
How many grams of a 5% sulfur ointment must be mixed with 180 grams of 20% sulfur ointment to prepare an 8% sulfur ointment? Answer: [a] g of 5% sulfur ointment (#g) Do not round
83. Suppose that a tank contains 20 gal of a solution of a certain chemical and that 5 lb of the chemical are in the solution. Starting at a certain instant, a solution of the same chemical, with concentration of 2 lb/gal, is allowed to flow into the tank at the rate of 3 gal/min. The mixture is drained off at the same rate so that the volume of the solution in the tank remains constant. How many gallons of...