Stoichiometry The crystallisation of a solute from a solution may be done by Removal of pure solvent by evaporation Changing the nature of the system by the addition of a more soluble material Change of temperature thereby causing supersaturation All of these Removal of pure solvent by evaporation Changing the nature of the system by the addition of a more soluble material Change of temperature thereby causing supersaturation All of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A solution of specific gravity 1 consists of 35% A by weight and the remaining B. If the specific gravity of A is 0.7, the specific gravity of Bis 1.2 1.35 1.25 1.3 1.2 1.35 1.25 1.3 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry __________ kg of CaCO₃ on heating will give 56 kg of CaO. 144 100 56 1000 144 100 56 1000 ANSWER DOWNLOAD EXAMIANS APP
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 1 - (x1/x2) X2/x1 X1/x2 1/x2 1 - (x1/x2) X2/x1 X1/x2 1/x2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pure aniline is evaporating through a stagnant air film of 1 mm thickness at 300 K and a total pressure of 100 KPa. The vapor pressure of aniline at 300 K is 0.1 KPa. The total molar concentration under these conditions is 40.1 mole/m³ . The diffusivity of aniline in air is 0.74xl0⁻⁵m²/s.The numerical value of mass transfer co-efficient is 7.4 x 10⁻³. The rate of evaporation of aniline is 2.97 x 10⁻⁴. Its units are Kmole/m² . s Mole/cm². s Mole/m² . s Mole/s Kmole/m² . s Mole/cm². s Mole/m² . s Mole/s ANSWER DOWNLOAD EXAMIANS APP
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