Stoichiometry 80 kg of Na₂SO₄ (molecular weight = 142) is present in 330 kg of an aqueous solution. The solution is cooled such that. 80 kg of Na₂SO₄ .10H₂O crystals separate out. The weight fraction of Na₂SO₄ in the remaining solution is 1 0.18 0.24 1 0.18 0.24 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Solution made by dissolving equimolar amounts of different solutes in the same amount of a given solvent will have the None of these Same elevation in boiling point Elevation in boiling point in the ratio of their molecular weights Different elevation in boiling point None of these Same elevation in boiling point Elevation in boiling point in the ratio of their molecular weights Different elevation in boiling point ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The combustion equations of carbon and carbon monoxide are as follows: C + O₂ = CO₂, ΔH = - 394 kJ/kg . mole CO + 1/2 O₂ = CO₂, ΔH = - 284.5 kJ/kg. mole. The heat of formation of CO is __________ kJ/kg. mole. +100 +109.5 -109.5 +180 +100 +109.5 -109.5 +180 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry pH value of a solution containing 1 gm of hydrogen ion per litre will be 10 1 7 10 1 7 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In a mixture of benzene vapor and nitrogen gas at a total pressure of 900 mm Hg, if the absolute humidity of benzene is 0.2 kg benzene/kg nitrogen, the partial pressure of benzene in mm Hg is 720 180 60.3 200 720 180 60.3 200 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Two solutions A₁ and A₂ have pH value of 2 and 6 respectively. It implies that the solution A₁ is highly acidic A₁ is more alkaline than solution A₂ Both A & C A₁ is very slightly acidic A₁ is highly acidic A₁ is more alkaline than solution A₂ Both A & C A₁ is very slightly acidic ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS