Chemistry, asked by mariyamfatima809, 7 hours ago

Answer please!!
Molality of 640 g of pure water is ????​

Answers

Answered by aksharasoni34
2

Answer:

Molality = no of moles of solute/mass of solvent in kg

Molar mass of water = 18g

Mass of water = 640g

No of moles of water = 640/18

= 35.5

Molality = 35.5×1000/640

= 55.46875

Explanation:

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