Starlightdust7011 Starlightdust7011

19-07-2022
Chemistry

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If you were presented with 2 liters of a 2m sucrose stock solution, how many grams of sugar would be in a 100ml aliquot?

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jsimpson11000 jsimpson11000

19-07-2022

Answer:

68.46 gms

Explanation:

2 molal solution means there is 2 moles of sucrose per kg of solvent (generally 1000 cc)

2 moles / 1000 ml * 100 ml = .2 moles

mole weight of sucrose = 342.3 gm/mole

342.3 gm/mole * .2 mole = 68.46 gms

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