LE o dlhs)
2. Valproic acid has a pKa of 4.8. Determine the pH of a 0.10 % w/v solution of valproic acid
(mwt 144.21).
(6 marks)

Why is nh3 classified as a polar molecule

What is the molar mass of a gas that has density of 2.054 g/l

How many liters of ethylene glycol antifreeze (c2h6o2), with a density of 1.100 g/l, would you add to your car radiator containing 15.0 kg of water if you needed to protect your engine to - 21.5°c? for water, kf = 1.86°c m -1.