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Stoichiometry

Stoichiometry
A sugar solution containing __________ percent sugar is equivalent to 1 Brix.

1
0.1
10
0.01

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Stoichiometry
The weight fraction of methanol in an aqueous solution is 0.64. The mole fraction of methanol XM satisfies

XM ≥ 0.64
XM < 0.5
0.5 < XM < 0.64
XM = 0.5

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Stoichiometry
The osmotic pressure of a solution is directly proportional to the

Molecular concentration of the solute
Absolute temperature of a given concentration
All of these
Lowering of vapor pressure

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Stoichiometry
If a solution of eutectic composition is cooled, __________ reaching the eutectic temperature.

It will undergo no change until
None of these
It will not solidify even on
The solvent begins to freeze out even before

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Stoichiometry
In a chemical process, the recycle stream is purged for

Heat conservation
Enriching the product
Limiting the inerts
Increasing the product yield

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Stoichiometry
The heat of solution depends upon the

All of these
Nature of solvent
Nature of solute
Concentration of solution

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