Example: Calculate the pH of a buffer solution that initially consists of 0.0400 moles of ammonia and 0.0250 moles of ammonium ion, after 20.0 mL of 0.75 M NaOH has been added to the buffer. Ka for ammonium ion is 5.6 x 10 -10.
There are two types of bacteria. Aerobic bacteria live with oxygen, love the company of food particles in the mouth and feed on sugar. Anaerobic bacteria exist without oxygen and feed off dead skin cells and other bacteria.
The causative bacteria live in the mouth and so can easily invade tissue through breaks in the lining of the mouth. Rough feeds like sticks or straw or barley awns can also cause wounds that are big enough for infection in the tongue.In sheep, the lips, nose, jaw and neck are usually affected.ooden tongue is an infection caused by the bacterium Actinobacillus lignieresii. This microbe lives only in the presence of oxygen which is why it occupies only the upper part of the mouth. Many other Actinobacillus spp like actinoides, suis, pleuropneumoniae and equuli are also pathogens which affect the soft tissue.