How to make serial dilutions  [kit] 

 - 1 sound cassette, 1 study guide, 1 film strip, 25 slides ;  in container, 22 X 15 X 5 cm. 
 - General Skills series [kit] .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydrochloric acid.<br/>Sodium hydroxide.<br/>Solution.