Consider a solution containing 6.3 g of pure nitric acid per litre. Calculate the pOH of this solution. (Molecular mass of `HNO_3 = 63`)

Calcualte the pH of a solution containing 4.9 g of sulphuric acid per litre.

A given solution of NaOH contains 2.00 g of NaOH per litre of solution. Calculate the molarity of this solution?

4.9 g of sulphuric acid is present in 500 mL of the solution. Calculate the pH of a solution.

calculate the molality of a solution containing 10 g of NaOH in 200cm^3 of solution. Density of solution is 1.4g/mL.(Molar mass of NaOH=40).

A 5.0 M solution of KOH in water contains 22.00% by mass of KOH. Calculate the density of the solution. ("Molar mass of KOH=56 g mol"^(-1))

A solution containing 5.0 g urea per litre was found to be isotonic with 0.7 percent (wt./vol.) solution of an organic, non-volatile solute. Calculate the molar mass of the organic compound (molar mass of urea=60).

Osmotic pressure of a solution containing '7 g' of a protein per '100 ~mL' of solution is '25 mm' Hg at '37^circ C'. Caiculate the molecular mass of protein?