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What percent of water must be evaporated from a 4% salt solution so that it becomes 6% salt solution? Round your answer to the nearest hundredth.​

 Aug 3, 2021
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Amount of salt in 4%   = .04 x   this is the same amount that will be in the final amount

 

 

.04x = .06( x %)

.04 = .06 * %

.04/.06 = % = 66.67 %      a solution of 67% of the original 4% amount            so    33.33% must be removed

 Aug 3, 2021

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