102.5 102.0 101.5 Boiling Temperature (°C) 1010 100.5 100.0 99.5 0 25 50 75 100 125 150 Mass of Salt Added (g) What are the independent and dependent variables in this experiment? 1.Mass is the independent variable, and boiling point is the dependent variable. 2.Boiling point is the independent variable, and mass is the dependent variable. 3.There are two independent variables and no dependent variables. 4.There are two dependent variables and no independent variables.