Calcualte the pH of a solution containing 4.9 g of sulphuric acid per litre.

Calculate the molarity of a solution containing 2.8g of KOH per litre (molar mass of KOH = 56).

Consider a solution containing 6.3 g of pure nitric acid per litre. Calculate the pOH of this solution. (Molecular mass of HNO_3 = 63 )

What is the concentration in ppm, of a solution containing 50mg of Hg per litre?

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 .

Calculate the mole fraction of NaOH in a solution containing 20 g of NaOH per 360 g of water.