Stoichiometry A very dilute solution is prepared by dissolving 'x1' mole of solute in 'x2' mole of a solvent. The mole fraction of solute is approximately equal to X1/x2 X2/x1 1 - (x1/x2) 1/x2 X1/x2 X2/x1 1 - (x1/x2) 1/x2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The number of water molecules present in a drop of water weighing 0.018 gm is 6.023 x __________ 1023 1026 1020 1019 1023 1026 1020 1019 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For a given mass of a gas at constant temperature, if the volume 'V' becomes three times, then the pressure 'P' will become P/3 3P 9P 9P² P/3 3P 9P 9P² ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If a solution of eutectic composition is cooled, __________ reaching the eutectic temperature. None of these It will undergo no change until The solvent begins to freeze out even before It will not solidify even on None of these It will undergo no change until The solvent begins to freeze out even before It will not solidify even on ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 BTU/ft³ is approximately equal to __________ kcal/m³. 4 252 9 1 4 252 9 1 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 0.5 < Xw < 1.0 0 < Xw < 0.5 Xw = 0.5 Xw = 1.0 0.5 < Xw < 1.0 0 < Xw < 0.5 Xw = 0.5 Xw = 1.0 ANSWER DOWNLOAD EXAMIANS APP