The mole fraction of water in a solution of hcl is 0.78. calculate the molality.
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Answer:
molarity is 0.0000364
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1
Molality of solution is 16 mole/kg
Explanation:
Molality of a solution is defined as the number of moles of solute dissolved per kg of the solvent.
where,
n = moles of solute
= weight of solvent in kg
moles of water (solvent )= 0.78
moles of HCl (solute) = (1-0.78) =0.22
mass of water (solvent )=
Now put all the given values in the formula of molality, we get
Therefore, the molality of solution is 16 mole/kg
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