Question

The PH transition range of Phenolphthalein
indicator is ...


a) 4.2 - 6.3
b) 8.3 - 10.0
c) 2.9 - 4.6
d) 0.2 - 2.8​

Answer 1

Answer:

it's B

Explanation:

its used to identify solutions in that range

Answer 2

Answer:

d.....................