High School Chemical Ionization Problems, High School Chemical Ionization Equations

In high school, it is important to keep in mind that the same concentration of CH3COOH and CH3COONA is acidic.

This can be obtained from the calculations of analytical chemistry, and only the conclusions of the high school are memorized.

In this way, H+ is greater than OH

Because of the presence of acid in the solution, ionization of water can be ignored. In this case, the hydrogen ions are completely inferior to acetic acid. And because the ionization of acetic acid is very weak, therefore, most of them exist in molecular form. So CH3COOH is greater than H+

CH3COOH is greater than H+

This is easy to understand.

Because ch3cooh is not very soluble in water.

So most of it is still ch3cooh

Of course, CH3COOH is greater than H+

It's like oil in water pretty much that.

Most of it is still oil.

CH3COOH is a weak electrolyte! Only a small fraction is ionized.

Suffice it to say that the degree of ionization of weak acids is relatively small, and the degree of ionization is generally greater than the degree of hydrolysis! So it's easy to solve! Also talking about the knowledge that an overly acetate ammonium acetate is electrogeneally neutral! Come on!

Because the ionization of CH3COOH is very small, when there is CH3COONA in the solution, the amount of CH3COO- is greatly increased, and the ionization of CH3COOH is greatly suppressed, so CH3COOH is greater than H+

This should be a mixed solution.

Acetic acid is a weak electrolyte that is not completely ionized (the amount of ionization is very small). Acetate, on the other hand, can be hydrolyzed in water to produce hydrogen ions, but in very small quantities.

Sodium acetate is a strong electrolyte that can be almost completely ionized. So acetate ions in solution mainly come from the ionization of sodium acetate and the ionization of acetic acid.

Whereas, hydrogen ions come from the ionization of acetic acid and the hydrolysis of acetate.

Because the ionization of sodium acetate is much greater than the hydrolysis of acetate. Therefore, the concentration of acetate ions is greater than that of hydrogen ions.

Looking at you so much ccccooooo I'm also dizzy.

Hello! =2h(+)

so4(2-)

h++hs-

hs-=h++s2-

This is the primary ionization and secondary ionization of hydrosulfuric acid (which are together), note that the reaction is a reversible sign, partial ionization, and the first step is dominant.

h(+)clo4(-)

k(+)cl(-)

nh4(+)

oh(-) invertible symbol.

fe(3+)

3cl(-)

mg(2+)

2no3(-)

ca(2+)

2oh(-)

ch3coo(-)

h(+) is a reversible symbol.

cu(2+)

so4(2-)

A. Formic acid ionized in water is HCOOh = HCOo + H (here is an ion, plus and minus signs are not good to be discharged, the same below) If formic acid is a strong electrolyte, then it should be the same as the number of hydrogen ions ionized by hydrochloric acid at the same concentration, that is, they have the same hydrogen ion concentration and the same pH value, which is inconsistent with the experimental facts. The acidity of formic acid is weaker than that of hydrochloric acid, that is, at the same concentration, the number of hydrogen ions ionized by formic acid is less than that of hydrochloric acid, because there is an electrolytic equilibrium in the system, and some hydrogen ions combine with the negative ions of formic acid to form formic acid.

d. The strength of electrical conductivity depends on the number of freely moving ions present in the solution. The greater the number of ions that move freely.

The stronger the conductivity. In hydrochloric acid, only hydrogen ions and chloride ions are present, and in the formic acid system, hydrogen ions, formate anions, and hydroxide ions ionized from water are present. However, the number of these ions is less than that of the hydrochloric acid system, and there are still formic acid molecules that are not fully ionized in the formic acid system.

If it is another kind of strong acid, just tell which one has the total number of ions.

a.Compared with hydrochloric acid at the same concentration, the acidity of formic acid is weaker than that of hydrochloric acid. It shows that the ion concentration of formic acid solution is small, and formic acid is a weak electrolyte.

d.Under the same conditions, the conductivity of formic acid is very vague than that of a strong acid solution, which can be hydrochloric acid or sulfuric acid.

Hydrochloric acid at the same concentration is less conductive than sulfuric acid. But it's all strong acids.

The conductivity of formic acid is weaker than that of sulfuric acid solution, and it cannot be said whether formic acid is a strong acid or a weak acid.

That's how the title should be, right?

At 25, in the mixed solution of acetic acid and sodium acetate with both concentrations, the concentration of Na ions is A, the concentration of acetate ions is B, and the concentration of acetic acid molecules is M.

Solution: Degree of ionization = ionized acetic acid Total concentration of acetic acid = (b-a).

Please make this question clear.

Is there a mixture of these two solutions or a mixture of these two solutions, and the acetate ion concentration is the concentration of which solution.

What is acetic acid?

If it is the concentration of acetic acid molecules, which solution is the concentration of acetic acid molecules.

The acetate ion concentration is the concentration of which solution.

Degree of ionization ( ) =

The number of molecules of ionized weak electrolyte The number of molecules of the original weak electrolyte) * 100% of the number of molecules ionized = [h+] * v=

The number of molecules of the original weak electrolyte = the number of molecules of ammonia (1:1 reaction) = = c

Iron ions become 2-valent iron ions, and sulfites are negative 2-valent!

Ca(OH)2 is a strong base, strong electrolyte, partially completely ionized in water: Ca(OH)2 == Ca2+ +2OH-

The strong electrolyte is completely ionized in water dissolved in water. The weak electrolyte dissolves in water and is partially ionized.

Adding alkali to the water will ionize oh-, but the degree of ionization is not the same. Strong bases are completely ionized, and weak bases are partially ionized.

H+ is ionized with acid, but the degree of ionization is not the same. Strong acids are completely ionized, and weak acids are partially ionized.

You'll find out when you learn about electrolytes.

Ionization is the decomposition of chemical synthesis into ions under the use of water.

This question is about the computational class of electrolysis. According to the title, in this electrolysis process, the cathode reacts to the cation of r to obtain electrons, which are reduced to form metal elements, so the mass of the cathode increases, and the mass of all r ions is reduced to form metal elements, and the relative atomic mass or molar mass of r is 64, so r is metallic copper. According to the mass fraction of r in the crystal, the coefficient n of the crystal water in the crystal is calculated to be 5.

Therefore, the crystal is copper sulfate pentahydrate. In the electrolysis process, the anode reaction generates oxygen and water for the loss of electrons of hydroxide ions, and the remaining hydrogen ions, so the solution becomes sulfuric acid solution after electrolysis, and the amount of its substance is, the volume of the solution is 100ml, so its concentration is, so the concentration of hydrogen ions is 1mol l, so the pH value of the solution is zero.

See above for the specific analysis process.

I've almost forgotten about chemistry, so I'd better answer it myself.

Ionization refers to the process by which atoms and molecules form ions under the action of (physical) energy. Refers to the acquisition or loss of electrons by an atom or molecule gaining a negative or positive charge to form an ion, usually in combination with other chemical changes.

The pH value is the negative logarithm of the hydrogen ion concentration value at a base of 10. A numerical value that indicates the degree of acidity or alkalinity of a solution, i.e. the negative value of the commonly used logarithm of the concentration of hydrogen ions contained.

If the concentration of hydrogen ions in a solution is per liter, its hydrogen ion concentration index is 5, which is calculated as -log10 [concentration value].

However, because this is logarithmic, the ratio of pH to hydrogen ion concentration is not linear.

For example, if A's pH is 2, then B is 1. The H+ concentration of A is the type Li Shuhui L, B is, and the ratio of A and B C (H+) is 1:10.

But suppose A's pH is 4, then B is 2. The concentration of H+ in A is, B is, and the ratio of C (H+) in A is 1:100.

There are also cases where pH = 0. Twice as much as 0 is still 0, which makes c(h+) equal.

So yes :d: can't be sure.