Can you please help me on my homework and create the graphs ?

How many atoms are there in 5.70 mol of mg

What volume would 2.25 moles of ne has occupy at stp?

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.