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  • 30-03-2016
  • Chemistry
Answered

how many grams of KOH used to make 1.6 liters of 15% by mass solution with water as the solvent?

Verified Answer :

Hagrid
Hagrid Hagrid
  • 04-04-2016

Given:

KOH used to make 1.6 liters of 15% by mass solution with water

 

Required:

grams of KOH

 

solution:

the density of KOH is equal to 2.12 kg/L

multiply  the known volume of KOH
to the density and the percentage of KOH in water

mass of KOH = 1.6 L (2.12 kg/L)(0.15) = 22.61 grams of KOH

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