Calculate the molality of the solution prepared by dissolving 18g of glucose (mol mass = 180) in 500g of water

The molality of a soluton having 18 g of glucose (Molar mass = 180) dissolved in 500 g of water is:

What will be the molality of solution having 18 g of glucose ( molecular weight = 180 ) dissolved in 500 g of water ?

What will be the molality of a solution having 18g glucose (m.wt. = 180) dissolved in 500 g of water:

Calculate the percent by mass of glucose in a solution made by dissolving 50 g of glucose in 500 g of water .

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