what instrument is used to measure atmospheri
What Instrument Is Used To Measure Atmospheric Pressure...
Answer: 1M HCL has a higher concentration of H+ ions then 1M CH3COOH because HCL being stronger acid completely ionized in water whereas the leter is a weak acid acid and partially dissociates.
To make 1 L of 1 mol/L HCl, we take 88 mL of the concentrated solution and add water to make a total of 1 L.
1m HCl will have a higher concentration of H+ ions than 1m of CH3COOH. This is because of one simple reason – the acidity of the compounds. HCl is generally classified as a strong acid in comparison to CH3COOH which is a weak acid. … Hydrochloric acid (HCl) will produce more H+ ions.
Definition of hydrogen-ion concentration
: the concentration of hydrogen ions in a solution expressed usually in moles per liter or in pH units and used as a measure of the acidity of the solution indicator dyes for narrow ranges of hydrogen-ion concentration.
Therefore, the number of moles of H+ = 0.0125 moles. Every mole of HCl will produce one mole of H+; therefore, the number of moles of HCl = number of moles of H+. The concentration of the HCl is 0.25 M.
[H+] =0.25 mol/L .
Answer: HCl is a strong acid, it dissociates 100% (I.e. completely): [HCl]F = 0.020 M = [H3O+] So, pH = – log [H3O+] = -log [HCl]F = -log(. 020)=1.70 Voila!
pH is defined by the following equation, pH = −log [H+] , where [H+] denotes the molar hydrogen ion concentration. Notice that we are required to take the common (base 10) logarithm of the hydrogen ion concentration in order to calculate pH.
it’s a strong acid and it fully dissolves …… This solution can be considered equivalent to a solution 0.1 M (0.15 – 0.05) in HCl thus pH = -Log (0.1) = 1.
Let’s assume the solution is 0.1M. NaOH is a strong base, so this will produce 0.1mol/L of OH ions in solution. This will produce a pH of 13.
Sodium Hydroxide Solution (NaOH) splits into Sodium (Na+) and Hydroxyl Ions (OH-). Extra Hydroxyl Ions (OH-) shifts ratio (fewer free H+ than normal). the 1:1 ratio is changed, now there are too few Hydrogen (H+) and there are “extra” OH- ions.
molarity = no. of moles of solute / 1 liter . * one moles of sodium hydroxide = 40 gm of sodium hydroxide. … Weigh 39.9 gm of NaOH pellets & dissolve them in one liter of water, what you will be having now is 1M NaOH solution.
Since HCl is a strong acid it completely dissociates. Therefore all the H+ protonates water molecules to give H3O+. Its concentration here is high enough to ignore H3O+ contribution from water so the pH is just -log(0.02) = 1.7. pH + pOH = 14 so the pOH is 12.3.
The pH of the solution is 1.46.
0001 M HCl is the same as saying that 1 *10–4 moles of H+ ions have been added to solution. The -log[. 0001] =4, so the pH of the solution =4.
In this problem we are given pH and asked to solve for the hydrogen ion concentration. Using the equation, pH = − log [H+] , we can solve for [H+] as, … by exponentiating both sides with base 10 to “undo” the common logarithm. The hydrogen ion concentration of “Solution A” is, [H+] = 10−5.6 ≈ 0.0000025 = 2.51 × 10−6 M.