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What is the ka value of ammonium?
The Ka value of ammonium (NH4+) is 5.6 x 10^-10.
Which of the following Ka value represent the weakest acid?
ka= 1.62 x 10^-12
What is the ka value of HNO3?
The Ka value of nitric acid (HNO3) is approximately 25 × 10^6.
What is the relationship between Ka and Kb values, and how can you determine Ka if you know Kb?
The relationship between Ka and Kb values is that they are related by the equation Kw Ka Kb, where Kw is the ion product of water. If you know the Kb value, you can determine the Ka value by rearranging the equation to solve for Ka.
Which is the following describes the relationship between acid strength and Ka value for weak acids?
The Ka value of a weak acid is inversely related to its acid strength. A higher Ka value indicates a stronger acid, while a lower Ka value indicates a weaker acid. Acid strength is determined by the extent of dissociation of the acid in solution, with stronger acids having higher dissociation constants (Ka values).
What is the Ka value for hydrobromic acid?
The Ka value for hydrobromic acid (HBr) is approximately 9.0 x 10^-10.
What is the ka value for ammonium chloride?
The Ka value for ammonium chloride is not applicable as it is a salt formed from the reaction between ammonia and hydrochloric acid. Ammonium chloride does not undergo significant dissociation in water to produce H+ ions, so it does not have a Ka value.
What is Ka for H2CO3 aq H aq HCO3 aq?
Ka= [h+][HCO3-]/[H2CO3]
What is the ka value for sulfamic acid?
According to CRC reference data, the pKa of sulfamic acid is 1.05, giving a Ka of 11.2. This is a strong acid.
How do you find pKa from Ka?
To find the pKa from Ka, you take the negative logarithm (base 10) of the Ka value. The formula is pKa = -log(Ka). This conversion helps simplify comparisons of acid strength.
What is the relationship between the Ka and Kb values in a chemical equilibrium system?
The Ka and Kb values in a chemical equilibrium system are related by the equation Kw Ka Kb, where Kw is the ion product constant of water. This relationship shows that as the Ka value increases, the Kb value decreases, and vice versa.
What K value represents the weakest acid?
The K value, or acid dissociation constant (Ka), indicates the strength of an acid in solution. A smaller Ka value corresponds to a weaker acid, as it signifies a lower degree of dissociation in water. Therefore, the weakest acid would have the smallest Ka value, approaching zero, indicating that it does not ionize significantly in solution.
