Calculate the molarity and normality of a solution containing 5g `Na_2CO_3` in 250 mL solution.

Calculate the normality of a solution containing 3.15g of hydrated oxalic acid dissolved in 300 ml of the solution

Calculate the molarity of a solution obtained by mixing 100 mL of 0.3 M H_2 SO_4 and 200 mL of 1.5M H_2 SO_4

Calculate the molality of an aqueous solution containing 3.0g of urea (mol.mass=60) in 250g of water.

Calculate the normality of solution containing 3.15 g of hydrated oxalic acid (H_2C_2O_4. 2H_2O) in 250 ml of solution ( Mol. Mass = 126).

Molarity and normality of a solution change with temperature but molality does not. Explain.

Calculate the strength in-percentage (W/V), moles perr litre or molarity, number of gram equivalents of the solute and normality of the following solutions- (i) 9.125g of HCl in 200 mL of its aqueous solution. (ii) 60g of NaOH in 3L of its aqueous solution. (iii) 14.7g H_(2)SO_(4) in 500 mL of its aqueous solution. (iv) 296 Ca(OH)_(2) in 10 L of its aqueous solution.

Calculate the pH of the buffer solution containing 50 mL 0.2(M) CH_3COOH and 50mL 0.1(M) CH_3COONa solution. [pK_a(CH_3COOH) = 4.74]

Give the relation between normality & molarity of a solution.

The molarity of a NaOH solution by dissolving 4g of it in 250 ml water is