Chapter 14, Problem 77E

Cooks often add some salt to water before boding Some people say the hems me cooking process by raising the boding port of the water Others say not enough salt usually added to make any noticeable difference. Approximately how many grams of NeCI must be added to a liter of water at 1 atm pressure to raise the boiling point by $\text{2}°\text{C}$ ? Is this a typical amount of salt that you might add to cooking water?