What is the molality water if it is dissolved in 10.5Kg of C2H6O2
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What is the molality water if it is dissolved in 10.5Kg of C2H6O2

[From: ] [author: ] [Date: 13-03-22] [Hit: ]
then use molar mass to find the moles.Density of water is 1.00 g/ml. Use this to find the volume.......
Please explain the steps of how you got this

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You have to provide the quantity of water that is dissolved in the ethylene glycol .

As n example - if you dissolve 1.0kg of water in 10.5kg glycol:
Molar mass H2O = 18g/mol
1000g H2O = 1000/18 = 55.56 mol H2O dissolved in 10.5kg glycol

Molality of water in glycol = moles of water / mass glycol (kg)
Molality = 55.56/10.5
Molality = 5.29m

You can follow method this exactly - only substitute the mass of water actually in your problem.

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how many liters of water? you need to give liter of water to find the molarity.

molarity = mole/L

change kg to g. then find the molar mass of C2H6O2. then use molar mass to find the moles.

EDIT:

Density of water is 1.00 g/ml. Use this to find the volume.
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