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The Ka of an unknown weak acid is 5.4 x 10 to the power of negative 10. Determine the pKa of the weak acid?
pKa = -log KapKa = -log 5.4x10^-10pKa = 9.27
An unknown acid has a pKa 5.11. Determine the Ka for the acid.?
pKa = -log Ka and thus Ka = 10^-pKaKa = antilog pKaKa = 7.76x10^-6
Can oxalic acid be titrated by HCl?
Yes, oxalic acid can be titrated by HCl because oxalic acid is a diprotic acid and can react with HCl in a simple acid-base reaction. The titration involves determining the volume of acid required to neutralize the oxalic acid solution, which can be used to calculate the concentration of oxalic acid.
What are oxalic acid?
Oxalic acid is an organic compound, a diprotic acid, with the molecular formula H2C2O4.
How do you determine the no of moles of water if strength of hydrated and anhydrous samples of oxalic acid is given?
2
Is it necessary to know the exact concentration of oxalic acid to determine the concentration of the base?
No, it is not necessary to know the exact concentration of oxalic acid if you are titrating it with a base. You can determine the concentration of the base by measuring the volume of the base solution required to neutralize the acid solution.
The Ka of an unknown weak acid is 5.4 x 10 to the power of negative 10. Determine the pKa of the weak acid?
pKa = -log KapKa = -log 5.4x10^-10pKa = 9.27
An unknown acid has a pKa 5.11. Determine the Ka for the acid.?
pKa = -log Ka and thus Ka = 10^-pKaKa = antilog pKaKa = 7.76x10^-6
What is the forumla for oxalic acid?
Oxalic acid is H2C2O4
Does Rhubarb have acid in it?
no Oxalic acid is found in rhubarb
What is the pka of bromoacetic acid?
The pKa of bromoacetic acid is approximately 2.64.
What is the relationship between pKa and pKb in the context of acid-base chemistry?
In acid-base chemistry, pKa and pKb are related through the equation pKa pKb 14. This means that as the pKa of an acid increases, the pKb of its conjugate base decreases, and vice versa. This relationship helps determine the strength of acids and bases in a solution.
Is oxalic acid a strong acid?
No, oxalic acid is considered a weak acid. It dissociates partially in water to release hydrogen ions.
What is the name of acid present in spinach?
The acid present in spinach is oxalic acid.
How can one determine the pKa from a titration curve?
To determine the pKa from a titration curve, identify the point on the curve where the pH is equal to the pKa value. This point represents the halfway point of the buffering region, where the concentration of the acid and its conjugate base are equal.
Is rhubarb an alkali?
It is an acid - Oxalic acid
Can oxalic acid be titrated by HCl?
Yes, oxalic acid can be titrated by HCl because oxalic acid is a diprotic acid and can react with HCl in a simple acid-base reaction. The titration involves determining the volume of acid required to neutralize the oxalic acid solution, which can be used to calculate the concentration of oxalic acid.
