If I have 520 mL of a 0.798 mol solution of KCl, what is its concentration? Group of answer choices

1.11 M

1.87 M

1.53 M

1.41 M

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?