Calculate molality of sulphuric acid solution …
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Posted by Khyati Jha 5 years, 11 months ago
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Preeti Dabral 5 years, 11 months ago
If the mole fraction of water is 0.85, the mole fraction of sulfuric acid is 0.15.
So, we can express the concentration as
0.15mol sulfuric acid 0.85 mol water
Convert moles of water to kilograms of water
Mass of water = 0.85molH2O×18.02gH2O1molH2O×1kgH2O1000gH2O
=0.0153 kg H2O
Calculate the molal concentration of the water
m = 0.15mol sulphuric acid 0.0153kg water = 9.8 mol/kg
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