What volume of a 0.125 M NiCl2 solution contains 3.25 g of NiCl2?

Which is a characteristic of mixtures?

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?

Which statement best describes the flow of energy in this scenario