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Stoichiometry

Stoichiometry
If pH value of a solution is 8, then its pOH value will be

10
6
7
1

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Stoichiometry
__________ equation gives the effect of temperature on heat of reaction.

Antonie
Kirchoffs
Maxwell's
Kistyakowsky

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Stoichiometry
Na₂SO₄. 10H₂O crystals are formed by cooling 100 Kg of 30% by weight aqueous solution of Na₂SO₄. The final concentration of the solute in the solution is 10%. The weight of crystals is

20
58.65
45.35
32.2

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Stoichiometry
Raoult's law is not applicable to the

Both B & C
Solutes which dissociate or associate in the particular solution
Solutions containing non-volatile solute
Concentrated solutions

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Stoichiometry
Solutions which distil without change in composition are called

Supersaturated
Saturated
Ideal
Azeotropic

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Stoichiometry
The vapor pressures of benzene and toluene are 3 and 4/3 atmospheres respectively. A liquid feed of 0.4 moles of benzene and 0.6 moles of toluene is vapourised. Assuming that the products are in equilibrium, the vapor phase mole fraction of benzene is

0.8
0.2
0.6
0.4

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