spill can be safely neutralised by using a mild base. 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. On the other hand, the Copper oxide is a base but not an alkali as it neutralizes the acid in aqueous solution but does not dissolve in water. Arrhenius's theory explains why all acids have similar properties to each other (and, conversely, why all bases are similar because all acids release H into solution (and all bases release OH-). H pH Example Acids 1 X 100 0 HCl 1 x 10-1 1 Stomach acid 1 x 10-2 2 Lemon juice 1 x 10-3 3 Vinegar 1 x 10-4 4 Soda 1 x 10-5 5 Rainwater 1 x 10-6 6 Milk Neutral 1 x 10-7. NaOH and KOH, as we saw above, would still be considered bases because they can accept an H from an acid to form water. .
Compare and contrast acids and bases essay
Bases, on the other hand are ionic compounds that break apart to form a negatively charged hydroxide ion (OH-) in water. The relationship between hydrogen ion concentration H and pH is shown alongside everyday examples of acids and bases. It is measured in scale between 1-7 (7 is neutral ) in pH meter scale. Acids and Bases are one of the most important parts of chemistry, but also play their significant role in another field of science. The indicators, Phenol Red, Methyl Red, Methyl Orange, Beomothymol Blue, Universal Indicator and Congo Red were then tested following the acids and bases as above. Bases free hydroxide ions (OH-) when mixed with water. Such substances that donate their hydrogen ion (H) (proton donor) and accepts the electron to another is called an acid. Strength Depends on the concentration of hydronium ions. A base is an aqueous substance that can accept hydrogen ions. Key Differences, conclusion, comparison Chart, basis For Comparison, acids. Bases can be classified into: Caustics or alkalis, such as sodium hydroxide (NaOH) and potassium hydroxide (KOH). Some concentrated weak acids, for example formic acid and acetic acid.