How many moles of NaCl are present in 600 liters of a 0.00524 M NaCl solution

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?

How many moles of no2 will form when 3.3 moles of cu are reacted with excess hno3?

How can a mixture of salt water be separated into salt and water