what is the concentration of h+ in a 2.5 m hcl solution

The concentration would be 0.76 mol/L.

What would be the concentration of a solution made by adding 250.0 mL of water to 45.0 mL of 4.2 M KOH?

The concentration of the solution would be 0.64 mol/L.

How do you find grams from mL and M?

What is H +] if HCl is 0.020 m?

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!

How do you find H+ from pH?

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.

What is the pH of 0.05 m of HCl?

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.

What is the concentration of OH in a solution that is 0.1 m NaOH?

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.

Is H+ A NaOH?

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.

What is M NaOH?

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.

What is the pH of the acid of a 0.002 M HCl 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.

What is the pH of a 0.0345 M solution of HCl?

The pH of the solution is 1.46.

What is the pH of a solution 0.0010 M HCl?

0001 M HCl is the same as saying that 1 *104 moles of H+ ions have been added to solution. The -log[. 0001] =4, so the pH of the solution =4.

Which has a higher concentration of H+ ions?

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