A mass of 100 g of NaNO3 is dissolved in 100 g of water at 80ºC. As the solution is cooled, at what temperature should solid first appear in the solution? 20 deg C 50 deg C 35 deg C 45 deg C

energy can be converted from one form to another, but it cannot be created or destroyed in ordinary chemical or physical means. do not understand what you are asking but hope this

answergravity;