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 0.24 1 0.18 0.24 1 0.18 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 0 < Xw < 0.5 Xw = 0.5 0.5 < Xw < 1.0 Xw = 1.0 0 < Xw < 0.5 Xw = 0.5 0.5 < Xw < 1.0 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Saturated molal absolute humidity of the vapor-gas mixture depends upon the Vapor pressure at dry bulb temperature Neither A nor B Both A & B Total pressure Vapor pressure at dry bulb temperature Neither A nor B Both A & B Total pressure ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry NaOH contains __________ percent oxygen. 1 16 10 40 1 16 10 40 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 kg of calcium carbide (CaC₂) produces about 0.41 kg of acetylene gas on treatment with water. How many hours of service can be derived from 1 kg of calcium carbide in an acetylene lamp burning 35 litres of gas at NTP per hour? 5 20 10 15 5 20 10 15 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A compound was found having nitrogen and oxygen in the ratio 28 gm and 80 gm respectively. The formula of the compound is N₂O₅ N₂O₄ N₂O₃ None of these N₂O₅ N₂O₄ N₂O₃ None of these ANSWER DOWNLOAD EXAMIANS APP
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