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Pure acid is to be added to a 10% acid solution to obtain 99 L of a 20% acid solution. What amounts of each should be used
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When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41
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Pure acid is to be added to a 10% acid solution to obtain 99 L of a 20% acid solution. What amounts...
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