Civil Engineering - GATE Exam Questions - Discussion
Discussion Forum : GATE Exam Questions - Section 2 (Q.No. 3)
3.
A wastewater sample contains 10-5.6 mmol/l of OH ions at 25° C. The pH of this sample is
Discussion:
19 comments Page 2 of 2.
Bhanu said:
8 years ago
Answer will 8.4 also because in qus didn't mentioned units of P^H.
Swathy said:
8 months ago
How come 3 there, ie; 5.6-3?
Anyone, please explain this step.
Anyone, please explain this step.
B.S.DALAL said:
7 years ago
Ph -log ^-5.6=-log10^-8.6 = (14-8.6) = 5.4.
RAKESH KUMAR said:
9 years ago
Which is correct answer? Please tell me.
Pran said:
9 years ago
The answer is 8.4.
=> 14 - 5.6 = 8.4.
=> 14 - 5.6 = 8.4.
Dhanu said:
7 years ago
Thank you all for explaining this.
Suhail said:
5 years ago
Thanks all for explaining it.
ANGIELA said:
10 years ago
How can we compute?
Dhanu said:
7 years ago
How come 14 here?
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