SOLUTION: How many liters of a solution containing 18% sulfuric acid and how many litres of another solution containing 25% sulfuric acid must be mixed together to make 550 L of a solution
Question 1174667: How many liters of a solution containing 18% sulfuric acid and how many litres of another solution containing 25% sulfuric acid must be mixed together to make 550 L of a solution containing 23% sulfuric acid? (All percentages are by volume.) Round to three significant digits. Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
Hi
x and (550-x) the amounts of .25 and .18 respectively.
.25x + .18(550-x) = .23(550)
.07x = .05(550)
x = .05(550L)/.07 = 392.857 L of 25% sulfuric acid
and 157.143 L of the 18% sulfuric acid
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