Asked by Summer
                A 0.2 M KOH solution has a volume of 3 L.
What percent of water should be evaporated to obtain a 0.6 M KOH solution?
            
        What percent of water should be evaporated to obtain a 0.6 M KOH solution?
Answers
                    Answered by
            bobpursley
            
    you want to make it 3 times stronger?  Reduce two parts water, evap 2 liters.
you have .2*3= .6molesKOH. dissolved in 1 liter, it is .6M.
    
you have .2*3= .6molesKOH. dissolved in 1 liter, it is .6M.
                    Answered by
            Summer
            
    What percentage would that be?
    
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