If the density of some lake water is 1.25g `mL^(-1)` and contains 92 g of `Na^+` ions per kg of water, calculate the molality of Na+ ions in the lake.

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

A aqueous solution contains 10 moles of sucrose in 1 kg of solvent. calculate the molality of solution.

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

The density of a 2.05 M acetic acid in water is 1.02gcm^-3 . Calculate the molality of the solution.

The density of 2.05 M acetic acid in water is 1.02 g/ml . Calculate the molality of solution.

The molarity of pure water (density of water= 1g ml^-1 )

An antifreeze solution is prepared fro, 222.6g of ethylene glycol, C_2H_4(OH)_2 and 200g of water. Calculate the molality of the solution . If the density of the solution is 1.072g mL^-1 , then what shall be the molarity of the solution?

A solution is prepared by dissolving 18.25g of NaOH in distilled water to give 200ml of solution. calculate the molarity of solution.

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

2.82g of glucose (Molar mass: 180g mol^-1 ) are dissolved in 30g of water . Calculate mole fraction of glucose and water.