Why are you adding ammonia buffer in the estimation of hardness of wat

1.	Why are you adding ammonia buffer in the estimation of hardness of water by EDTA method?
Answer» Answer: But both EDTA and the indicator are themselves weak acids, therefore a buffer SOLUTION such as AMMONIUM hydroxide-ammonium CHLORIDE buffer, which is ABLE to maintain a fairly constant pH even when acids and bases are ADDED, is used.

Why are you adding ammonia buffer in the estimation of hardness of water by EDTA method?

Answer»

Answer:

But both EDTA and the indicator are themselves weak acids, therefore a buffer SOLUTION such as AMMONIUM hydroxide-ammonium CHLORIDE buffer, which is ABLE to maintain a fairly constant pH even when acids and bases are ADDED, is used.

Discussion

No Comment Found

Related InterviewSolutions

1)formula of the compound between A and C ?Pls help......
200 ce of an aqueous solution contains 1.26 gms of a polymer. The osmotic pressuof such solution at 300 K is found to be 2.57x10 bar. Calculate the molar massthe polymer
What is a homologoues series.List any four characteristics ofhomologués series.
The melting and boiling point of Carbonbarevery low. Why?
Fecl³+H²S=2Fecl2 +2HCl+s ऑक्सीकरण तथा अपचयन ज्ञात किजिए
Fecl³+H²S=2Fecl2 +2HCl ऑक्सीकरण तथा अपचयन ज्ञात किजिए
Hex-1,3 dien-5-yne what is the structure formula
For multiple electronic species 3d and 4p are degenerate orbitals true or false
For multiple electronic species 3d and 4p are degenerate orbitals
3. (a) why doesCarbon form compounds mainlyby covalent bondlist any 4reasons for carbon formingvery large no of compounds .

Why are you adding ammonia buffer in the estimation of hardness of water by EDTA method? ​

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment

Why are you adding ammonia buffer in the estimation of hardness of water by EDTA method?