What is the pOH value when the solutions hydroxide concentration is 1.0 x 10^-4 M?

Explain why pure hydrogen cyanide does not conduct electricity, but become a conductor when it is dissolved in water? (at room temp, pure hcn exists as a volatile liquid)

Determine the empirical formula for succinic acid that is composed of 40.60% carbon, 5.18% hydrogen, and 54.22% oxygen.

Which of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold