Using the terms diffusion, NaOH, and phenolphthalein, explain how the pink color showed how far into the agar cube the solution went.

Question

Using the terms diffusion, NaOH, and phenolphthalein, explain how the pink color  showed how far into the agar cube the solution went.

trancenova · Answer

Okay, so three things here:

(1) Greater NaOH turns phenolphthalein what colour? (Hint: OH- is a base)
(2) How would NaOH move into the cube?

trancenova · Answer

erm, I mean two..

anonymous · Answer

1) it turns pink
2) we soaked it for ten minutes making the agar cube looked framed by pink

trancenova · Answer

Okay, so how would you describe how the pink/phenolphthalein showed the NaOH had "diffusing" into the cube?

trancenova · Answer

Sigh! I just can't type today! (No had)