One of your friends defines molality as follows. “It is the number of gram moles of the solute dissolved per litre of solution: Is it correct?

One of your friends defines molality as follows. “It is the number of gram moles of the solute dissolved per litre of solution: Can you help him to define molality?

One of your friends defines molality as follows. “It is the number of gram moles of the solute dissolved per litre of solution:Calculate the molality of a solution containing 20 g of NaOH in 250g of H_2O .

Number of moles of the solute per kilogram of the solvent is

Which of the following is the correct example of solid solution in which the solute is in gas phase?

Solution exhibit certain colligative properties such as elevation in boiling point, depression in freezing point , osmotic pressure. 10g of an organic substance is dissolved in two litres of water at 280 K. Find out the molar mass of the substance if osmotic pressure of the solution id 0.6 atmospheres