A student weighs out 3.68 grams of cobalt (II) chloride to do an experiment with. How many moles of is this?

If a bottle of olive oil contains 1.4 kg of olive oil, what is the volume, in milliliters ( ml ), of the olive oil?

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

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.