Stoichiometry Which of the following has the least (almost negligible) effect on the solubility of a solute in a solvent? Nature of solute Nature of solvent Pressure Temperature Nature of solute Nature of solvent Pressure Temperature ANSWER DOWNLOAD EXAMIANS APP
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 58.65 45.35 20 32.2 58.65 45.35 20 32.2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At room temperature, the product [H⁺] [OH⁻] in a solution is 10⁻¹⁴ moles/litre. If, [OH⁻] = 10⁻⁶ moles/litre, then the pH of the solution will be 10 6 12 8 10 6 12 8 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The boiling points for pure water and pure toluene are 100°C and 110.6°C respectively. Toluene and water are completely immiscible in each other. A well agitated equimolar mixture of toluene and water are prepared. If, at a total pressure of one standard atm. exerted by the vapours of water and toluene, the mole fraction of water Xw in the vapour phase satisfies Xw = 1.0 Xw = 0.5 0 < Xw < 0.5 0.5 < Xw < 1.0 Xw = 1.0 Xw = 0.5 0 < Xw < 0.5 0.5 < Xw < 1.0 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of liquids of similar chemical nature at any particular temperature __________ with increase in the molecular weight. Increases Either A or B; depends on the liquid Decreases Remains unchanged Increases Either A or B; depends on the liquid Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 bar is almost equal to __________ atmosphere. 100 1000 1 10 100 1000 1 10 ANSWER DOWNLOAD EXAMIANS APP
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