Acids and Bases

Is nitric acid more powerful than phosphoric acid?

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2009-07-05 06:22:12
2009-07-05 06:22:12

Nitric acid is a considerably stronger acid than phosphoric acid.

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Yes. Sulfuric acid is a strong acid. Phosphoric acid is a weak acid.


Nitric acid is the strongest, the other two are weak acids, though among these they are relatively strong, far more stronger than acetic acid.


The Ka value of a substance indicates its strength as an acid. Sulfuric acid has Ka ~ 1000. Nitric acid has Ka ~ 25. So, sulfuric acid is a more powerful acid.


Sulfuric acid is more stronger than Nitric acid, but Nitric acid is more reactive than Sulfuric acid.


Nitric acid is more acidic, in general the oxy acid having high ratio of oxygen is more acidic.


2.14, 6.86 and 12.4 - phosphoric acid is a polyprotic acid, meaning that it can dissociate more than one hydrogen ion.



The empirical formula for phosphoric acid is H3PO4. Its molecular formula is P2O5·3H2O. It is composed of the elements hydrogen, phosphorus and oxygen. Most solutions of phosphoric acid are composed of some amount of H3PO4 in water, H2O.For more information about phosphoric acid, see the Web Links to the left.


Lactic acidHydrochloric acidSulfuric acidNitric acidAcetic acidFormic acidCitric acidTartaric acidMalonic acidAscorbic acidSalicylic acidBenzoic acidPhosphoric acidButolic acidHexafluorophosphoric acidOxalic acidGluconic acidDeoxyribonucleic acidRibonucleic acidChromic acid(there are lots more!)


Sulfuric acid, Sulfurous acid, Nitric acid


HCl is a stronger acid and will dissolve more of the shell than an equivalent concentration of nitric acid.


Phosphoric acid; sprite has none of that in it


Nitric acid (HNO3), also known as aqua fortis and spirit of nitre, is a highly corrosive and toxic strong mineral acid which is normally colorless but tends to acquire a yellow cast due to the accumulation of oxides of nitrogen if long-stored. Ordinary nitric acid has a concentration of 68%. When the solution contains more than 86% of it, it is referred to as fuming nitric acid. Depending on the amount of nitrogen dioxide present, fuming nitric acid is further characterized as white fuming nitric acid or red fuming nitric acid, at concentrations above 95%. Nitric acid is also commonly used as a strong oxidizing agent.


Both nitric acid and hydrochloric acid are highly corrosive. If sprayed on a fire they will boil and cause serious chemical burns. Additionally, nitric acid as an oxidizer and could potentially make a fire even more intense.


Vinegar is usually 4-8% acetic acid by volume. Portland cement will slowly disintegrate after repeated exposure to vinegar. Phosphoric acid. Sullfamic acid dissolves hardened Portland cement by converting the constituents of the cement into soluble salts, which are dissolved by water. Muriatic (Hydrochloric) Acid is more aggressive than Phosphoric or Sulfamic. It is considered an unsafe acid due to its corrosive nature and toxic gas that is formed when in contact with cement. Reactions of nitric acid with cyanides, carbides, and metallic powders can be explosive.


Nitric acid (HNO3), also known as aqua fortis and spirit of niter, is a highly corrosive strong mineral acid. The pure compound is colorless, but older samples tend to acquire a yellow cast due to the accumulation of oxides of nitrogen. Most commercially available nitric acid has a concentration of 68%. When the solution contains more than 86% HNO3, it is referred to as fuming nitric acid. Depending on the amount ofnitrogen dioxide present, fuming nitric acid is further characterized as white fuming nitric acid or red fuming nitric acid, at concentrations above 95%. Nitric acid is also commonly used as a strong oxidizing agent.


You can classify it in genreal terms as a non metal, but more specifically it is an acid


When sodium bicarbonate reacts with nitric acid, sodium nitrate salt is formed along with carbonic acid (double replacement reaction), which immediately decomposes to water and gaseous carbon dioxide (which explains the fizzing). The concentration of the nitric acid affects the rate of reaction, the more dilute it is, the slower the reaction will progress. The more pure the nitric acid, the faster the reaction will take place.


In Aqueous medium, phosphoric acid emits 3 hydrogen ions. Hydrochloric acid emits only 1 hydrogen ion. So phosphoric acid is more acidic. So it is chosen over HCl.


The usual primary standard for acid-base titration is sulfuric acid. Nitric acid tends to lose NO2 by volatilization and HCl is also more volatile.


The formula* for phosphoric acid is H3PO4.*Compounds do not have "symbols" in the chemical sense; only atoms do. The formula itself, of course, is a symbol for the compound itself in a more general meaning of "symbol".


Apple mostly contains the organic acid, L-malic acid. That is not a more destructive acid like phosphoric acid that is found in sodas.


It's chemical full name is dihydrogen phosphite but it is more known as Phosphoric Acid


Nitric acid is not a very strong acid. Adding distilled water will cause it to be more diluted. Its acidity does not change. However, to neutralize it, you do not need more alkali as compared to before adding the distilled water.


Phosphoric acid is used as an acidifying agent to give colas their tangy flavor.Due to the use of phosphoric acid, cola is a actually more acid than lemon juice or vinegar. The vast amount of sugar acts to mask and balance the acidity.Phosphoric acid also goes by E338, orthophosphoric acid, and phosphoric(V) acid.Food-grade phosphoric acid is a mass-produced chemical, available cheaply and in large quantities.Phosphoric acid is commonly used for rust removal.Phosphorus-containing substances occur naturally (0.1%-0.5%) in foods such as milk, meat, poultry, fish, nuts, and egg yolks.According to the Center for Science in the Public Interest (CSPI), a consumer watchdog group not affiliated with the food industry, only a small fraction of the phosphate in the American diet comes from additives in soft drinks. Most comes from meat and dairy products. So your reason for not drinking Coke should be its sugar content and artificial food colorings, not the phosphoric acid.



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