acid has a ph of?
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The pH scale ranges from 0 to 14. A pH of 7 is neutral. A pH less than 7 is acidic. A pH greater than 7 is basic.
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Alternatively, the pKa of a site can be thought of the pH at which the protonated and deprotonated fractions are equal. If the pH is higher than the pKa, the site is mostly deprotonated, and if the pH is lower than the pKa, the site is mostly protonated.
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An acid is defined as a substance whose water solution tastes sour, turns blue litmus red and neutralizes bases. A substance is called base if its aqueous solution tastes bitter, turns red litmus blue or neutralizes acids. Salt is a neutral substance whose aqueous solution does not affect litmus.
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Acids are substances that can donate H+ ions to bases. Since a hydrogen atom is a proton and one electron, technically an H+ ion is just a proton. So an acid is a "proton donor", and a base is a "proton acceptor".
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['Aqueous solutions of acids are electrolytes, meaning that they conduct an electrical current. ... ', 'Acids have a sour taste. ... ', 'Acids change the color of certain acid-base indicators. ... ', 'Acids react with active metals to yield hydrogen gas.']
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Originally Answered: What are the differences between acids and bases? Acids and bases are two types of corrosive substances. Any substance with a pH value between 0 up to 7 is considered acidic, whereas a pH value of 7 to 14 is a base. Acids are ionic compounds that break apart in water to form a hydrogen ion (H+).
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The more [H+] ions that are in solution, the more acidic the solution is. The more [OH-] ions in solution, the more basic the solution is. There is a special property of water that makes it act like an acid or base, depending on what is dissolved in it.
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Acids are substances that give up Hydrogen ions in solution. Acids are corrosive to metals while releasing Hydrogen gas, have a pH between 0 and 6.9 and are sour to the taste. There are many common substances that are acids: lemon juice (citric acid), vinegar (acetic acid), stomach acid, and soda pop (carbonic acid).
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13. Apple juice has a pH of 3, and stomach acid has a pH of 2.
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Definition of Strong Acids More precisely, the acid must be stronger in aqueous solution than a hydronium ion (H+), so strong acids have a pKa < -1.74.
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The acidity or alkalinity of any solution, including blood, is indicated on the pH scale. The pH scale, ranges from 0 (strongly acidic) to 14 (strongly basic or alkaline). A pH of 7.0, in the middle of this scale, is neutral. Blood is normally slightly basic, with a normal pH range of about 7.35 to 7.45.
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The pH scale is often said to range from 0 to 14, and most solutions do fall within this range, although it's possible to get a pH below 0 or above 14. Anything below 7.0 is acidic, and anything above 7.0 is alkaline, or basic.
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A pH of 7 is neutral — it is neither acid nor alkaline. Healthy cells have a slightly alkaline internal environment with a pH of around 7.2. Cancer cells are more alkaline and have an internal pH that is higher than 7.2.
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Acids are Proton Donors and Bases are Proton Acceptors The acid will give an electron away and the base will receive the electron.
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The pH scale Anything below 7.0 is acidic, and anything above 7.0 is alkaline, or basic.
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pH is really a measure of the relative amount of free hydrogen and hydroxyl ions in the water. Water that has more free hydrogen ions is acidic, whereas water that has more free hydroxyl ions is basic. Since pH can be affected by chemicals in the water, pH is an important indicator of water that is changing chemically.
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(Acids have a pH below 7, while bases have a pH above 7. A neutral solution has a pH of 7. The lower the pH, the more acidic the substance. A substance's pH is related to the balance of H+ (hydrogen) ions and OH- (hydroxide) ions.