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Stoichiometry

Stoichiometry
The viscosity of water at room temperature may be around one

Centipoise
Poise
Stoke
Both B & C

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Stoichiometry
The vapor pressure of the solvent decreased by 10 mm Hg, when a non-volatile solute was added to the solvent. The mole fraction of the solute in the solution is 0.2. What should be the mole fraction of the solvent, if the decrease in vapor pressure of the solvent is required to be 20 mm Hg.?

0.6
0.4
0.2
0.1

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Stoichiometry
For an ideal gas, the compressibility factor

Zero
Is unity at Boyle's temperature
Is unity at all temperature
Decreases with pressure rise

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Stoichiometry
The number of atoms of oxygen present in 11.2 litres of ozone (O₃) at N.T.P. are

1.20 x 10²⁴
9.03 x 10²⁴
3.01 x 10²²
6.02 x 10²³

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Stoichiometry
The elevation in boiling point of a solution is proportional to the __________ of the solution.

Molal concentration
Normality
Molarity
Reciprocal of the molal concentration

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Stoichiometry
Solutions having the same osmotic pressure are called __________ solutions.

Saturated
Isotonic
Ideal
Dilute

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