An aqueous solution of glucose containing 12g in 100g water was found to boil at `100.34^@`C. calculate `K_b` for water.

Calculate the frezing point of an aqueous solution containing 10.5g of MgBr_2 in 200 g water. (Mol. Mass of MgBr_2=184 and K_1 for water =1.80 K kg mol^(-1))

A solution containing 9.6 g of a substance in 100g of water boiled at 100.8^@C at 1 atm pressure. Calculate the molecular mass of substance. Calculate the molecular mass of substance. (Boiling elevation constant for water = 0.52^@C per 1000g of it)

Calculate boiling point of aqueous solution containing 5.85g NaCl in 200g water ( K_b for water = 0.56kg mol^-1 , prop for NaCl= 1)

An aqueous solution containing urea was found to boil at more than373K, while the same solution freezes below 273K, which are the normal values for pure water. Explain.

18 g of water contains :

A solution of urea in water has a boiling point of 100.128^@ C. calculate its freezing point (K_b=0.512 and K_f = 1.86K kg mol_(-1) )

1000 g aqueous solution of CaCO_3 contains 10 g calcium carbonate. Hardness of the solution is:

Boiling point of water is 100^@C . Calculate the boiling point of an aqueous solution containing 5g urea (mol. mass = 60) in 100 g water. (K_b for water = 0.52K. kg mol^-1