To make a saturated solution, 36 g of sodium chloride is dissolved in 100 g of water at 293 K. Find its concentration at this temperature.

Pragya tested the solubility of three different substances at different tem¬ peratures and collected the data as given below (results are given in the following table, as grams of substance dissolved in 100 grams of water to form a saturated solution).Pragya makes a saturated solution of potassium chloride in water at 353 K and leaves the solution tocool atroom temperature. What would she observe asthesolution cools ? Explain

7.45 gKCl is dissolved in 100 g of water. What will be the molality of KCl in solution.

2.82g of glucose are dissolved in 30g of water. Calculate the molality of the solution.

A solution containing 2.44 g of solute dissolved in 75 g of water boiled at 100.413^@C . What will be the molar mass of the solute?

A solution contains 40 g of NaCl in 320g of water. Calculate its concentration in terms of mass percentage of solution

A solution is prepared by dissolving 1.0 g of NaOH in water to get 250 ml of solution . Calculate its molarity .

Find out % of oxalate ion in a given sample of an alkali metal oxalate salt, 0.30g of it is dissolved in 100mL water and its required 90mL of centimolar KMnO_4 solution in acidic medium :

Pragya tested the solubility of three different substances at different temperatures and collected the data as given below (results are given in the following table, as grams of substance dissolved in 100 grams of water to form a saturated solution). What mass of potassium nitrate would be needed to produce a saturated solution of potassium nitrate in 50 grams of water at 313 K ?