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 32.2 45.35 20 58.65 32.2 45.35 20 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The increase in the temperature of the aqueous solution will result in decrease of its Mole fraction of the solute Weight % of the solute Molality Molarity Mole fraction of the solute Weight % of the solute Molality Molarity ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the Nature of the liquid Total pressure Nature of the gas Temperature of the liquid Nature of the liquid Total pressure Nature of the gas Temperature of the liquid ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The depression in freezing point of a solution is Directly proportional to the mole of solute Neither A nor B Both A & B Inversely proportional to the mass of solvent Directly proportional to the mole of solute Neither A nor B Both A & B Inversely proportional to the mass of solvent ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is insensitive to changes in pressure? Heat of vaporisation Heat of fusion Melting point Both B & C Heat of vaporisation Heat of fusion Melting point Both B & C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If the pressure of a gas is reduced to half & its absolute temperature is doubled, then the volume of the gas will Increase four times None of these Be reduced to l/4th Increase two times Increase four times None of these Be reduced to l/4th Increase two times ANSWER DOWNLOAD EXAMIANS APP