SOLUTION: How many liters containing 8% acid solution should be added to 20 liters containing 60% acid in order to obtain a 40% acid solution?
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Question 889981: How many liters containing 8% acid solution should be added to 20 liters containing 60% acid in order to obtain a 40% acid solution? Answer by Alan3354(69443) (Show Source):
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How many millilitres of water must be added to 240 milliliters of a 25% sulphuric acid solution to reduce the percentage of sulphuric acid in the new solution to 10%?
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Add W ml.
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240*25 + 0*W = (240 + W)*10
