Will the elevation in boiling point be same if 0.1 mol of Sodium chloride or 0.1 mol of sugar is dissolved in 1L of water ? Explain.

The molal boiling point constant for water is 0.513^(@)C kgmol^(-1) . When 0.1 mole of sugar is dissolved in 200 ml of water , the solution boils under a pressure of one atmosphere at

Explain why on addition of 1 mol of glucose to 1 litre of water, the boiling point of water increases.

Number of electrons involved in the reaction when 0.1 mol NH_(3) dissolved in water

Calculate the free energy change when one mole of sodium chloride is dissolved in water at 298 K. (Given : Lattice energy of NaCl = - 777.8 kJ mol^(-1) , Hydration energy of NaCl = 774.1 kJ mol^(-1) and DeltaS " at" 298 K = 0.043 kJ mol^(-1) .

Figure explains elevation in boiling point when a non-volatile solute is added to a solvent. Variation of vapour pressure with temperaure and elevation in boiling point is marked. Elevation in b.p of an aqueous urea solution is 0.52^(@) (K_(b) = 0.52^(@) mol^(-1)kg) . Hence, mole fraction of urea in this solution is:

Calculate the boiling point of urea solution when 6 g of urea is dissolved in 200 g of water. ( K_(b) for water = 0·52 K kg mol^(-1) , boiling point of pure water = 373 K, mol.wt. of urea = 60)

Calculate elevation in boiling point for 2 molal aqueous solution of glucose. (Given K_b(H_(2)O) = 0.5 kg mol^(-1) )

The elevation in boiling point of a solution of 9.43 g of MgCl_2 in 1 kg of water is ( K_b = 0.52 K kg mol^(-1) , Molar mass of MgCl_2 = 94.3 g mol^(-1) )

Calculate the boiling point of solution when 4g of Mg SO_(4) (M=120g "mol"^(-1)) was dissolved in 100g of water, assuming MgSO_(4) undergoes complete ionization (K_(b) " for water " = 0.52 K " kg mol"^(-1))

The elevation in boiling point, when 13.44 g of freshly prepared CuCI_(2) are added to one kilogram of water, is [Some useful data, K_(b) (H_(2)O) = 0.52 kg K mol^(-1), "mol.wt of" CuCI_(2) = 134.4 gm]