Stoichiometry The weight fraction of methanol in an aqueous solution is 0.64. The mole fraction of methanol XM satisfies XM ≥ 0.64 XM < 0.5 XM = 0.5 0.5 < XM < 0.64 XM ≥ 0.64 XM < 0.5 XM = 0.5 0.5 < XM < 0.64 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The ratio of existing moles of vapor per mole of vapor free gas to the moles of vapor that would be present per mole of vapor free gas, if the mixture were saturated at the existing temperature & pressure, is termed as the Relative saturation Relative humidity None of these Percentage saturation Relative saturation Relative humidity None of these Percentage saturation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The increase in the temperature of the aqueous solution will result in decrease of its Weight % of the solute Molarity Mole fraction of the solute Molality Weight % of the solute Molarity Mole fraction of the solute Molality ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressures of benzene and toluene are 3 and 4/3 atmospheres respectively. A liquid feed of 0.4 moles of benzene and 0.6 moles of toluene is vapourised. Assuming that the products are in equilibrium, the vapor phase mole fraction of benzene is 0.8 0.6 0.4 0.2 0.8 0.6 0.4 0.2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of the solvent decreased by 10 mm Hg, when a non-volatile solute was added to the solvent. The mole fraction of the solute in the solution is 0.2. What should be the mole fraction of the solvent, if the decrease in vapor pressure of the solvent is required to be 20 mm Hg.? 0.1 0.6 0.4 0.2 0.1 0.6 0.4 0.2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The reverse process of fractional crystallisation is called Leaching Absorption Differential distillation Stripping Leaching Absorption Differential distillation Stripping ANSWER DOWNLOAD EXAMIANS APP