Decreasing order (first having highest and then other following it) of mass of pure NaOH in each of the aqueous solution
(P) 50 gm of `40%(w//w)` NaOH
(Q) 50 gm of `50%(w//w)` NaOH `[d_("soln.")=1.2gm//ml]`
(R) 50 gm of 20 M NaOH `[d_("soln").=1gm//ml]`

A 20% (W/W) solution of NaOH is 5 M. The dens of the solution is

The density of 4% (w/v) NaOH solution is 1.02 g/ml. What is the molality of the solution ?

The density of 4% (w/v) NaOH soluton is 31.02 g/ ml. What is the molality of the solution?

What will be present in th solution when 50 of ml 0.1 M HCl is mixed with 50 ml of 0.1 M NaOH soltion?

Correct order of osmotic pressure of the following solution is (a) 34.2 gmL^(-1) of glucose (b) 60 gm L^(-1) of urea (c) 90 gm L^(-1) of glucose (d) 58.5 gm L ^(-1) of NaCl

NaOH aqueous solution is labelled as 10% (w/v). Density of the solution is 1.02 g/ml. Then the mole fraction of the solute in the solution is

During the estimation of nitrogen in an organic compound by Kjeldhal's method, the ammonia evolved from 0.5g of the compound was absorbed in 50 ml of 0.5 M H_(2)SO_(4) . The residual acid required 60 ml of 0.5 M NaOH solution. The number of grams of NH_(3) releaed in the process is

Calculate the pH of the following solution : (a) 2g of TlOH dissolved in water to give 2 litre of solution. (b) 0.3g of Ca(OH)_(2) dissolved in water to give 500mL of solution. (c) 0.3g of NaOH dissolved in water to give 200mL of solution. (d) 1mL of 13.6M HCl is diluted with water to give 1 litre of solution.

The density of 20% (w/w) aqueous NaOH solution is 1.20 g. mL^(-1) . What is the mole fraction of water ? (molar mass of NaOH = 40g. "mol"^(-1) )