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What volume of 0.020 M KOH (aq) solution contains 11.2 grams of KOH (s)?
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The concentration of a solution in terms of number of moles of the solute dissolved in 1 liter of the solution is known as molarity. A 0.02 M solution of KOH contains 0.02 moles of KOH in every liter of the solution.
The molar mass of KOH is 56.1056 g/mol. A liter of 0.02 M solution of KOH has 56.1056*0.2 = 1.122 g of KOH. 11.2 grams of KOH is contained in 10 liters of KOH.
The volume of 0.02 M solution of KOH that contains 11.2 g of KOH is 10 liters.
Posted by justaguide on June 11, 2012 at 2:42 AM (Answer #1)
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