1.26 g of hydrated oxalic acid was dissolved in water to prepare 250ml of solution. calculate molarity of the solution.
0.63 g of HNO_(3) dissolved in 100 ml of solution. Calculate its pH value.
An aqueous solution containing 6 g of ureas in 500 mL of solution has a density equal to 1.05. if the molar mass of urea is 60. then the molality of solution is
An aqueous solution of ethanol has density 1.025 g/mL and it is 2 M. What is the molality of this solution ?
If 1 .71 g of sugar (molar mass = 342) are dissolved in 500 cm^(3) of solution at 300 K, what will be its osmotic pressure ?
Calculate the molality of a solution containing 20.7g potassium carbonate dissolved in 500ml of solution (assume of density of solution = 1g/ml)
Dissolving 120g of urea (mol.wt 60) in 1000g of water gave a solution of density 1.15g/ml. The molarity of solution is:
A sample of NaOH weighing 0.38 g is dissolved in water and solution is made to 50.0 mL in a volumetric flask. What is the molarity of the solution?
The concentration of an oxalic acid solution is x mol litre^-1. 40mL of this solution reacts with 16mL of 0.05M acidified KMnO_4 . What is the pH of 'x' M oxalic acid solution ? (Assume that oxalic acid dissociates completely).)
