In a titration experiment a student uses 1.4 m hbr solution and the indicator phenolphthalein to determine the concentration of

Question

Anni [7]

3 years ago

15

In a titration experiment a student uses 1.4 m hbr solution and the indicator phenolphthalein to determine the concentration of

a koh solution.

Chemistry

2 answers:

Romashka-Z-Leto [24] · Answer 1 · 2022-05-16T20:56:51+03:00

Romashka-Z-Leto [24]3 years ago

6 0

shout out to the guy who helped out of every1 by finding the correct question and answering

Likurg_2 [28] · Answer 2 · 2022-05-16T19:05:41+03:00

The question is incomplete. Complete question is attached below:
...........................................................................................................................

Answer:
Given: conc. of HBr = 1.4 M
Volume of HBr = 15.4 mL
Volume of KOH = 22.10 mL

We know that, M1V1 = M2V2
(HBr) (KOH)

Therefore, M2 = M1V1/V2
= 1.4 X 15.4/22.10
= 0.9756 M

Concentration of KOH is 0.9756 M.