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What is the pH of a 3 percent acetic acid solution?
The pH of a 3% acetic acid solution is around 2.4. Acetic acid is a weak acid, so it does not completely dissociate in solution. This results in a pH lower than that of a strong acid at the same concentration.
How much pure acid should be mixed with 2 gallons of a 50 percent acid solution in order to get an 80 percent acid solution?
pH less than 7
What determine the strength of acid?
For normal acids, pH is most accurate. For hydrofluoric acid, pH is NOT a good indicator--a 1-percent HF solution has a lower pH than a 50-percent solution does, and a 10-percent HF solution has the highest pH of all. The range is from 3.1 (for a 1-percent solution) to 4.5 (for a 10-percent solution). HF is considered a weak acid--not all the HF molecules dissociate when the HF gas is put into water--but it's the most corrosive acid around.
How do you convert pH to acidity?
You can convert pH to Percent dissociated easily using the Ka value. You can calculate the [H+] from the pH value, the [A-] from stoichiometry, and the [HA] from all of the above. It is easy to find the percent dissociation from here.
What you pH value when 100 percent sulfuric acid?
100% sulfuric acid rapidly decomposes until it reaches a concentration of 98%. This concentration is usually referred to as concentrated sulfuric acid. The pH value of 98% sulfuric acid is approximately -1.5 For comparison, sulfuric acid of this concentration has about 300 times as many active hydrogen ions as stomach acid (approximate pH 1).
How do you calculate PH of weak acids?
To calculate the pH of a weak acid, you first need to write the equilibrium expression for the acid dissociation reaction. Then, set up an ICE table to determine the concentrations of the acid and its dissociation products at equilibrium. Finally, use the equilibrium concentrations to calculate the H+ concentration and then convert it to pH using the formula pH = -log[H+].
What is the pH level for acetic acid?
The pH level for acetic acid is 3... The pH level for acetic acid is 3...
What is the pH for and acid?
The pH of an acid is higher than 7.
What is PH for 1 percent milk?
milk is very slightly acid. it's pH is somewhere between 6.5 and 6.7 milk's fat does not influence it's acidity.
How are acid base and pH related?
pH<7 acid pH=7 neutral pH>7 base
What is Ph of lactic acid having pka of 4.4 when its 20 percent dissociated?
The pH of a solution containing lactic acid at 20% dissociation can be calculated using the Henderson-Hasselbalch equation, pH = pKa + log([A-]/[HA]), where the pKa of lactic acid is 4.4. Given that lactic acid is 20% dissociated, [A-] = 0.2 and [HA] = 0.8. Plugging these values into the equation gives pH = 4.4 + log(0.2/0.8) ≈ 3.4.
How do you measure the pH of 98 percent concentrated acid?
To measure the pH of 2% water !?! in any acid: try a pH meter, but be careful: you may damage the electrode!In principle pH totally depends on WHAT kind of acid you are talking: You have know if it is weak or strong, what is the molecular mass, how many ionisable protons, and even the density (in g/L).
