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Hipervinculo Biología
This is the teacher's guide of the Ecology unit for a middle school level Human Biology book.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged i ...
Hipervinculo Biología
Introduction to acids, bases, and pH.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Video Química
"pH and pOH denote the negative log of the concentration of hydrogen or hydroxide ions. High pH means that a solution is basic while high pOH means that a solution is acidic. Neutral solutions have pH ...
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