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 32.2 20 58.65 45.35 32.2 20 58.65 45.35 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A solution is made by dissolving 1 kilo mole of solute in 2000 kg of solvent. The molality of the solution is 2 0.5 0.5 1 2 0.5 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Osmotic pressure of the solution can be increased by Diluting the solution None of these Decreasing its temperature Increasing the volume of the vessel containing the solution Diluting the solution None of these Decreasing its temperature Increasing the volume of the vessel containing the solution ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A sample of well water contains 140 gm/m³ Ca²⁺ ions and 345 gm/m³ Na⁺ ions. The hardness of the sample of water, expressed in terms of equivalent CaCO₃ in gm/m³ is (assuming atomic masses of Ca :40, Na : 23, C : 12, O : 16) 350 140 485 345 350 140 485 345 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong unit conversion of thermal conductivity. 1 kcal/m.hr.°C = 0.672 BTU/ft.hr.°F = 1.163 W/m. °K 1 W/cm.°C = 85.985 kcal/m.hr.°C = 57.779 BTU/ft.hr.°F 1 BTU/ft².hr.°F/ft = 1.488 kcal/m². hr.°C/m 1 BTU/ft².hr.°F/inch = 1.488 kcal/m². hr.°C/m 1 kcal/m.hr.°C = 0.672 BTU/ft.hr.°F = 1.163 W/m. °K 1 W/cm.°C = 85.985 kcal/m.hr.°C = 57.779 BTU/ft.hr.°F 1 BTU/ft².hr.°F/ft = 1.488 kcal/m². hr.°C/m 1 BTU/ft².hr.°F/inch = 1.488 kcal/m². hr.°C/m ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A metal oxide is reduced by heating it in a stream of hydrogen. After complete reduction, it is found that 3.15 gm of the oxide has yielded 1.05 gm of the metal. It may be inferred that the Equivalent weight of the metal is 4 Atomic weight of the metal is 2 Atomic weight of the metal is 4 Equivalent weight of the metal is 8 Equivalent weight of the metal is 4 Atomic weight of the metal is 2 Atomic weight of the metal is 4 Equivalent weight of the metal is 8 ANSWER DOWNLOAD EXAMIANS APP
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