What is the concentration of hydroxide in a solution with a pOH of 9.8?
ph+pOH=14 [OH-]=10^-pOH

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Several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear, is white. what process led to this difference in fur color? explain your answer.

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp