What does a ka value of approximately 1 show about the equilibrium?
A. Very little of the acid has dissociated.
B. The solution can act as both an acid and a base.
C. The acid has completely dissociated.
D. Some of the acid has dissociated.

Asample of the male sex hormone testosterone, c19h28o2, contains 3.88×10^21 atoms of hydrogen.(a) how many atoms of carbon does it contain? (b) how many molecules of testosterone does it contain? (c) how many moles of testosterone does it contain? (d) what is the mass of this sample in grams?

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

If maltose undergoes hydrolysis what subunits does it results to?