User: brine is a solution of salt and water. if a tub contains 70 pounds of a 5% solution of brine, how much water must evaporate to change it to an 7.5% solution

Weegy: ... tub contains 50 gallons of a 5 percent solution of brine how much water must evaporate to change ... salt solution to produce a 5? 96. [ How many gallons of a 80 percent solution must mix with 70 gallons of ... http://wiki.answers.com/Q/If_a_tub_contains_50_gallons_of_a_5_percent_solution_of_brine_how_much_water_must_evaporate_to_change_it_to_an_8_percent_solution ]
Auto answered|Score .8687

User: reduce 16 ounces of a 18% saline solution to a 10% solution, how much distilled water

Note: 18.2 Distilled beverages; 18.3 Alcohol in American history ... the standard drink contains 0.6 US fluid ounces (18 ... 2011. [ ^ "Flash points of ethanol-based water solutions". www.answers.com/topic/liquid-courage ]
Auto answered|Score .7799

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Weegy: To reduce 16 ounces of a 18% saline solution to a 10% solution, [ how much distilled water (to the nearest tenth oz.) should a nurse add? . Let x = ounces of distilled water to add then .18(16) = .10(16+x) 2.88 = 1.6+.10x 1.28 = .10x 12.8 = x . The nurse should add 12.8 oz. of distilled water. www.algebra.com/algebra/homework/word/mixtures/Mixture_Word_Problems.faq.question.300675.html ]
Expert answered|jher000|Points 7312|

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