It should remain constant because of the law of conservation of mass and because the flask is sealed no mass will escape
I would choose C bc if u look at it closely u can notice it goes up steadily and then BANG it decreases a lot
Answer: = C
Explanation:
evaporating some of the water contained in the solution will increase the concentration of the resulting solution, because there will be concomitant increase in the number of moles of the solute left in the solution.
