25g HCl 1 mol
36.46g HCl
=.686 mol
M=.686 mol/1.5 L=.457M
pH= -log(.457)
pH= .34
When hydrochloric acid (HCl) is added to a solution with a pH of 7.45, the acidity of the solution increases. HCl dissociates into hydrogen ions (H⁺) and chloride ions (Cl⁻), which lowers the pH as the concentration of hydrogen ions rises. The solution will become more acidic, moving toward a pH closer to neutral (7) or even below, depending on the amount of HCl added. This change can affect various chemical equilibria and biological processes that are sensitive to pH.
A strong acid, such as hydrochloric acid (HCl), has a pH of 1 and completely ionizes in aqueous solution, meaning all molecules dissociate into their constituent ions. This leads to a high concentration of hydrogen ions (H+) in the solution, resulting in the low pH value.
To calculate the pH of a 0.001 mol/dm³ HCl solution, you use the formula pH = -log[H+]. For HCl, since it is a strong acid, it dissociates completely into H⁺ ions. Thus, the concentration of H⁺ ions in a 0.001 mol/dm³ HCl solution is also 0.001 mol/dm³. Taking the negative logarithm of 0.001 gives a pH of 3.
The pH of PBS is 7.4, which makes it slightly basic. 1M HCl solution has the pH of 1. While it's true that adding a base to an acid will change the pH of the acid, unless you use a very dilute sample of HCl and a very large sample of PBS you will need a very sensitive pH meter to see any pH change.
The pH of a 0.05 M solution of hydrochloric acid (HCl) can be calculated using the formula pH = -log[H⁺]. Since HCl is a strong acid that dissociates completely in water, the concentration of hydrogen ions [H⁺] is equal to the concentration of the acid, which is 0.05 M. Therefore, the pH is approximately 1.30.
The pH of a 6M HCl solution is 0.
The pH of a solution containing 6M HCl is 0.
- log(0.00450 M HCl)= 2.3 pH=======
The pH of a 42m HCl solution would be approximately -log(42) = -1.62. This solution is strongly acidic.
The pH of a 0.0001M aqueous solution of HCl is 4. The pH of a solution is calculated using the formula pH = -log[H+], where [H+] is the concentration of hydrogen ions in the solution. Since HCl is a strong acid that dissociates completely in water, the concentration of H+ ions in a 0.0001M solution of HCl is also 0.0001M.
its PH is 3
The pH of a 0.280 M HCl solution is approximately 0.55. This is because HCl is a strong acid that dissociates completely in solution to produce H+ ions, leading to a low pH value.
The pH of a 0.010 M HCl solution is approximately 2. This is because HCl is a strong acid that completely dissociates in water to form H+ ions, resulting in an acidic solution.
0.002M HCl means 0.002 moles HCl in 1L solution. Therefore 0.02 moles HCl in 10L solution. pH = 2-log2 = 2-0.3010 = 1.6990
The pH of a 0.140 M HCl solution is approximately 0.85. This is because HCl is a strong acid that completely dissociates in water to give H+ ions, resulting in a low pH.
In solution with a pH of 1 [H+] is 0.1M. Since HCl is a strong acid [HCl] will also be 0.1M. So, in 1 liter of solution you will have 0.1 mol of HCl.
Diluting a 0.01N HCl solution ten times would result in a 0.001N HCl solution. Since HCl is a strong acid that fully dissociates in water, the pH of a 0.001N HCl solution would be around 3 (pH = -log[H+]).