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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?

2 answers

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.

What percentage would that be?

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