Monday, September 20, 2010
Acidity in Your Stomach
I think this lab and write up mainly gave me a good refresher on the Ph scale. Like many people the Ph scale was rather confusing with its backwards ways. Meaning the higher the Ph the lower the base and lower the Ph the higher the acidity. Below 7 is an acid and anything above 7 is an alkaline. An acid is defined as any compound, which forms hydrogen ions in solution. For this reason acids are sometimes referred to as "proton donors". On the other side of things a base is a compound that combines with hydrogen ions in solution. Therefore, bases can be referred to as "proton acceptors". Bases also release hydroxide ions. Hydroxide bases are very strong, sometimes even strong enough to deprotonate acids. Those who suffer from acidity in their stomachs take antacids in order to balance the Ph in the stomach by increasing it. Normally, the acid level in your stomach is about 2 Those or 3. Trouble may start when your pH drops below those numbers. To make you feel better, an antacid need not bring the pH level all the way up to 7 (neutral), which would be a highly unnatural state for your stomach.
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