Covnert into mole 20 g of water

Convert into mole 22g of carbon dioxide.

Convert into mole. 12g of oxygen gas

What is mole?

Vapour pressure of water at 293 kis 17.535 mm Hg. Calcualte the vapour pressure of water at 293 K when 25 g of glucose is dissolved in 450 g of water.

Calculate the charge in coulombs required for oxidation of 2 moles of water to oxygen. (Given 1 F = 96500 mol^-1 )

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

Vapour pressure of pure water at 298K is 23.8 mm Hg. 50g of urea (NH_2CONH_2) is dissolved in 850 g of water. Calculate the vapour pressure of water for this solution and its relative lowering.

Calculate the depression in the freezing point of water when 10 g of CH_3CH_2CHClCOOH is added to 250 g of water. K_a = 1.4xx10^-3 , K_f = 1.86 K kg mol^-1 .

2 mol ethanol is dissolved in 3 mol water. Calculate the mole fraction of water in the solution.