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The acid dissociation constant (Ka) for carbonic acid (H₂CO₃) dissociating into hydrogen ions (H⁺) and bicarbonate ions (HCO₃⁻) is a measure of the strength of the acid in solution. The dissociation reaction can be represented as: H₂CO₃ (aq) ⇌ H⁺ (aq) + HCO₃⁻ (aq). The value of Ka for this process is approximately 4.3 x 10⁻⁷ at 25°C, indicating that H₂CO₃ is a weak acid.
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What is Ka for HCN(aq) H plus (aq) plus CN and ndash(aq)?
HCN(aq) ==> H^+(aq) + CN^-(aq)Ka = [H+][CN-]/[HCN] and the value can be looked up in a book or on line.
What is Ka for HNO2(aq) NO2 (aq)?
ka=[H+][NO2_]/[HNO2]
What is ka for HNO2(aq) H plus (aq) plus NO2-(aq)?
The acid dissociation constant (Ka) for the dissociation of nitrous acid (HNO2) into hydrogen ions (H⁺) and nitrite ions (NO2⁻) can be expressed with the equation: [ K_a = \frac{[H^+][NO_2^-]}{[HNO_2]} ] This equilibrium constant quantifies the strength of HNO2 as an acid; a larger Ka value indicates a stronger acid, meaning it dissociates more completely in solution. For HNO2, the Ka is approximately 4.5 × 10⁻⁴ at 25°C, indicating it is a weak acid.
What is Kb for CH3NH2(aq) plus H2O(I) CH3NH3 plus (aq) plus OH-(aq)?
Kb = [CH3NH3 +] [OH-] / [CH3NH2]
What is the correct cell notation for the redox reaction 3Pb2 plus aq plus 2Cr s 3Pb s plus 2Cr3 plus aq?
Cr(s) | Cr3+(aq) Pb2+(aq) | Pb(s)
What is Ka for HCN(aq) H plus (aq) plus CN and ndash(aq)?
HCN(aq) ==> H^+(aq) + CN^-(aq)Ka = [H+][CN-]/[HCN] and the value can be looked up in a book or on line.
Consider the reaction hocl aq plus H2O l ocl-aq plus h3o plus aq if kb equals 2.9 x 10-7 for ocl-what is ka for hocl?
3.4 * 10^-8
What is Ka for HNO2(aq) NO2 (aq)?
ka=[H+][NO2_]/[HNO2]
What is Ka for H3BO3(aq) = H+(aq)+H2BO3 -(aq)?
Ka= [H+] [H2BO3-] / [h3BO3] (Apex)
What is Ka for HCN aq H aq CN aq?
ka=[H+][CN-]/[HCN]
Consider the reaction nh2oh aq plus h2ol nh3oh plus aq plus h3o plus aq if ka equals 1.5 x 10-6 for nh3oh plus what is kb for nh2oh kw equals 1.0 x 10-14 at this temperature?
6.6 x 10-9
What is Ka for H2CO3 aq H aq HCO3 aq?
Ka= [h+][HCO3-]/[H2CO3]
What is ka for HNO2(aq) H plus (aq) plus NO2-(aq)?
The acid dissociation constant (Ka) for the dissociation of nitrous acid (HNO2) into hydrogen ions (H⁺) and nitrite ions (NO2⁻) can be expressed with the equation: [ K_a = \frac{[H^+][NO_2^-]}{[HNO_2]} ] This equilibrium constant quantifies the strength of HNO2 as an acid; a larger Ka value indicates a stronger acid, meaning it dissociates more completely in solution. For HNO2, the Ka is approximately 4.5 × 10⁻⁴ at 25°C, indicating it is a weak acid.
What is ka for h3bo3(aq) h plus (aq) plus h2bo3-(aq)?
The equilibrium constant expression for the reaction you provided would be ( K_a = \frac{[H^+][H_2BO_3^-]}{[H_3BO_3]} ). However, the specific value of ( K_a ) for this reaction would depend on the concentrations of the species involved in the particular experimental conditions.
What is Ka for HNO2(aq) H (aq) NO2-(aq)?
The Ka for the dissociation of HNO2 is 4.5 x 10^-4. This value represents the equilibrium constant for the reaction of HNO2 dissociating into H+ and NO2-.
What is Ka for H3BO3(aq) H (aq) H2BO3-(aq)?
not sure
What is Ka for HNO2 aq H aq NO2-aq?
Ka= [H+][NO2-] [HNO2]
