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Mixing solution word problems

Mixing two solutions of different concentrations to form a new solution

Problem

Transco needs to make 120 gallons of antifreeze containing 60% alcohol by
mixing one antifreeze containing 55% alcohol with another antifreeze
containing 70% alcohol. How many gallons of each should the company use?
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Problem

Transco has 80 gallons of antifreeze that is 40% alcohol, another is 55% solution of alcohol. How much antifreeze that is 55% alcohol must be mixed with the 80 gallons of antifreeze of 40% alcohol to obtain a 50% solution?
Solution More similar problems

To strengthen a solution by increasing the amount of solute or decreasing the amount of solvent

Problem

Transco has on hand a supply of 80 gallons of antifreeze containing 40% alcohol, How many gallons of pure alcohol must be added to make a 50% solution of alcohol?
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Problem

How many gallons of water must be evaporated from 120 gallons of a solution containing 10% dye to obtain a 15% solution of dye (assume that the dye does not evaporate during the process)?
Solution

To dilute a solution by decreasing the amount of solute or increasing the amount of solvent

Problem

How much alcohol must be evaporated from 120 gallons of antifreeze containing 50% alcohol to obtain a 40% solution of alcohol (assume that water does not evaporate during the process)?
Solution

Problem

Transco has on hand a supply of 80 gallons of antifreeze containing 60% alcohol, How many gallons of water must be added to make a 50% solution of alcohol?
Solution More similar problems

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