3. A student has 10.00 g of sucrose (C12H22011) mixed with 100.0 g of H2O to...

Question

Question

3. A student has 10.00 g of sucrose (C12H22011) mixed with 100.0 g of H2O to a final volume of 115 mL. The density of 10% by

Answer 1

Answer #1

Moles of sucrose = mass/molar mass

= 10/342.296 = 0.029214 moles

Mass of solvent water = 100g = 0.1 kg

Molality = moles of solute/mass of solvent (kg)

= 0.029214/0.1

= 0.2921 mol/kg

Correct option is A.

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Answer 2

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