Question

Observe the picture above with the three Erlenmeyer Flasks. Identify which flask has reached the end point of our reaction. Explain how you are able to correctly identify the flask.

Answer 1

@Lena772

Answer 2

#3 is the first flask that shows the colour change. That's when the end point has been reached.

Answer 3

This is the point where the reaction reached neutralization, as a defined in an earlier question.

Answer 4

At neutralization, it changes color, so yes, #3 is correct.