Equilibrium Question 240
The $ pH $ of a $ {10^{-9}}M $ solution of $ HCl $ in water is approximately 6.98 [UPSEAT 2000, 02]
Options:
8
- 8
C) Between 7 and 8 million years ago
D) Between 6 and 7 million
Show Answer
Answer:
Correct Answer: D
Solution:
As the solution is acidic, $ pH<7 $ . This is because $ [H^{+}] $ from $ H_2O,[10^{-7}M] $ cannot be neglected in comparison to $ 10^{-10} $ M
BETA
