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Stoichiometry

Stoichiometry
Number of gm moles of solute dissolved in one litre of a solution is called its

Equivalent weight
Molarity
Normality
Molality

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Stoichiometry
An aqueous solution of 2.45% by weight H₂SO₄ has a specific gravity of 1.011. The composition expressed in normality is

0.2528
0.5055
0.5
0.25

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Stoichiometry
The temperature of a gas in a closed container is 27° C. If the temperature of the gas is incresed to 300° C, then the pressure exerted is

Doubled
Halved
Trebled
Unpredictable

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Stoichiometry
The vapour pressure of water is given by, in Psat = A - (5000/T), where A is a constant, Psat is the vapour pressure in atm. and T is the temperature in K.The vapor pressure of water in atm. at 50°C is approximately

0.09
0.13
0.07
0.11

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Stoichiometry
Saturated solution of benzene in water is in equilibrium with a mixture of air and vapours of benzene and water at room temperature and pressure. Mole fraction of benzene in liquid is xB and the vapour pressures of benzene and water at these conditions are PvB and Pvw respectively. The partial pressure of benzene in air-vapour mixture is

XB.Patm
XB.PvB
PvB
(Patm - Pvw)xB

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

Saturated
Dilute
Ideal
Isotonic

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