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Answer to Question #79685 in General Chemistry for Isa

Question #79685
Given that 0.25 mols was dissolved in water to create a 0.125 m solution, what is the mass of water in grams expressed in scientific notation? I have no idea how to go about answering this question..
1
Expert's answer
2018-08-08T06:39:21-0400
Molality = moles of solute / m of solvent, kg
Water is a solvent
0.125 m = 0.25 moles / m (H2O)
m (H2O) = 2 kg = 2000 g

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