Stoichiometry 80 kg of Na₂SO₄ (molecular weight = 142) is present in 330 kg of an aqueous solution. The solution is cooled such that. 80 kg of Na₂SO₄ .10H₂O crystals separate out. The weight fraction of Na₂SO₄ in the remaining solution is 1 0.24 0.18 1 0.24 0.18 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The atomic heat capacities of all solid elements __________ with decrease in temperature. Remains unchanged Increases Approach zero at 0°C Decreases Remains unchanged Increases Approach zero at 0°C Decreases ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The value of gas constant 'R' is __________ kcal/kg.mole.°C. 3.99 1.987 2.79 None of these 3.99 1.987 2.79 None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In a binary liquid system, the composition expressed as __________ is independent of the temperature & pressure. Kg-mole of solute/1000 kg of solvent Kg-mole of solute/kg-mole of solvent All of these Kg of solute/kg of solvent Kg-mole of solute/1000 kg of solvent Kg-mole of solute/kg-mole of solvent All of these Kg of solute/kg of solvent ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In __________ process, ions of salts react with water to produce acidity or alkalinity. Hydrolysis Hydration Dialysis Electrolysis Hydrolysis Hydration Dialysis Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The molecules of a liquid which is in equilibrium with its vapor at its boiling point on an average have equal __________ in the two phases. Total energy Kinetic energy Potential energy Intermolecular forces Total energy Kinetic energy Potential energy Intermolecular forces ANSWER DOWNLOAD EXAMIANS APP
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