inorganic chemistry - Why is the solution of ammonium bifluoride …
2021年2月23日 — Dissociation equilibria of ammonium bifluoride in water $\endgroup$ – Mithoron. Commented Feb 23, 2021 ...
Dissociation equilibria of ammonium bifluoride in water
2021年2月23日 — Ammonium bifluoride or ammonium hydrogen fluoride is a salt of a weak base and a weak acid. The weak acid is because the second equilibria of $\ce{HF}$ written as: …
inorganic chemistry - Why Ammonium bifluoride is used in the …
2020年11月19日 — When brass solution (mixed with nitric acid and urea) is to be estimated for amount of copper present, ammonia is added to neutralize the solution. This gives a turbidity …
How can I calculate the amount of HF in aquoues solution of …
2020年3月23日 — $\begingroup$ The NH4F and NH4HF2 are two separate solutions, c(NH4F)=5M, and c(NH4HF2)=0.18 M. For each of these solutions, that are not mixed I need …
Why does glass etching cream contain sulfuric acid?
2022年12月7日 — Ammonium Bifluoride - 20 - 40%; Sodium Bifluoride - 5 - 10%; Sulphuric Acid - 1 - 5%; Barium Sulfate - 1 - 5%; The purpose of the fluoride ingredients is obvious. They …
organic chemistry - Why is the pH of this ammonia solution more …
2022年8月15日 — I made two similar ammonia solutions in different ways, and they resulted in different pH, but i'm not sure why. Solution 1 Added 5.84 g NaCl to a 500 mL flask. Then …
inorganic chemistry - In which state does the bifluoride anion exist ...
2014年2月17日 — Because of this capture of a proton ($\ce{H+}$), bifluoride has basic character. Its conjugate acid is the reactive intermediate, μ-fluoro-fluorodihydrogen ($\ce{H2F2}$), which …
inorganic chemistry - Why does potassium bifluoride exist whereas ...
2023年3月13日 — The bichloride ion, including isolated salts, has in fact been known since 1954 ; but it appears to require relatively bulky counterions whereas bifluoride has a broader range of …
Why is ammonium a weak acid if ammonia is a weak base?
2016年12月29日 — $\ce{NH3}$ is a weak base so I would have expected $\ce{NH4+}$ to be a strong acid. I can't find a good explanation anywhere and am very confused.
does NH4OH lose concentration when it is open? [closed]
2020年10月9日 — corresponding to about 0.42% of ammonium in a 1M aqueous solution of ammonia. Thus, it is only a matter of time of exposure to air and the temperature of the …