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Ionization Constants of Weak Acids
Acid Formula K a at 25 °C Lewis Structure
acetic CH 3 CO 2 H 1.8 × 10 −5
arsenic H 3 AsO 4 5.5 × 10 −3
1.7 × 10 −7
5.1 × 10 −12
arsenous H 3 AsO 3 5.1 × 10 −10
boric H 3 BO 3 5.4 × 10 −10
carbonic H 2 CO 3 4.3 × 10 −7
5.6 × 10 −11
cyanic H CNO 2 × 10 −4
formic HCO 2 H 1.8 × 10 −4
hydrazoic H N 3 2.5 × 10 −5
hydrocyanic H CN 4.9 × 10 −10
hydrofluoric H F 3.5 × 10 −4
hydrogen peroxide H 2 O 2 2.4 × 10 −12
hydrogen selenide H 2 Se 1.29 × 10 −4
H Se 1 × 10 −12
hydrogen sulfate ion 1.2 × 10 −2
hydrogen sulfide H 2 S 8.9 × 10 −8
H S 1.0 × 10 −19
hydrogen telluride H 2 Te 2.3 × 10 −3
H Te 1.6 × 10 −11
hypobromous H BrO 2.8 × 10 −9
hypochlorous H ClO 2.9 × 10 −8
nitrous H NO 2 4.6 × 10 −4
oxalic H 2 C 2 O 4 6.0 × 10 −2
6.1 × 10 −5
phosphoric H 3 PO 4 7.5 × 10 −3
6.2 × 10 −8
4.2 × 10 −13
phosphorous H 3 PO 3 5 × 10 −2
2.0 × 10 −7
sulfurous H 2 SO 3 1.6 × 10 −2
6.4 × 10 −8

Questions & Answers

How to know periodic table oftend
Ahmed Reply
how to get atomic number of an element
Ogunleye Reply
how do you solve the examples in a much more explanatory way
Ogunleye
The reaction of aceto nitrile with propane in the presence of the acid
Explain this paragraph in short
Manish Reply
What is solid state?
Manish Reply
What is chemical reaction
Manish
transforming reactants to product(s)
Andre
process
Andre
Example of Lewis acid
Chidera Reply
Example of Lewis acid
Chidera
Chlorine
Mikidad
Anything with an empty orbital... the hydrogen ion is the most common example. BH3 is the typical example, but any metal in a coordination complex can be considered a Lewis acid.
Eszter
okay thanks
Jovial
aluminium and sulphur react to give aluminium sulfide.How many grams of Al are required to produce 100g of aluminium sulphide
Soni Reply
aluminium and sulphur react to give aluminium sulphide how many grams of Al are required to produce 100g of aluminium sulphide?
Soni
aluminium and sulphur react to give aluminium sulphide how many grams of Al are required to produce 100g of aluminium sulphide?
Soni
2Al+3S=Al2S3
galina
m(Al)=100×27×2/150=36g
galina
150 comes from?
Soni
thank you very much
Soni
molar mass of Al2S3
galina
150.158
thiru
Why can't atom be created or destroyed
Jacaranda Reply
matter simply converts to pure energy
explain how to distinguish ethanol from a sample of ethanoic acid by chemical test
Alice Reply
explain how ethanol can be distinguished from ethanoic acid by chemical test
Alice
Using a suitable experiment, describe how diffusion occurs in gases.
Melody Reply
what is electrolytes?
charity Reply
substance which splits into ions during melting or dissolving
galina
on passing electric current though electrode
Kv
what is a radical
Jacob Reply
State that use law of partial pressure in a gas jar containing a gas and water what is the total pressure composed of 272cm^3 of carbon (iv) oxide were collected over water at15°c and 782mmHg pressure. calculate the volume of the dry gas at stp(SVP of water at 15°c is 12mmHg)
Aminat Reply
was Dalton's second postulate"atoms of the same kind have have similar/same mass and size" Or " the one mentioned in B here?
Maureen Reply
what was name of the Greek philosophers
Duku Reply

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Source:  OpenStax, Chemistry. OpenStax CNX. May 20, 2015 Download for free at http://legacy.cnx.org/content/col11760/1.9
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