Of the isomeric c5h11+ carbocations which one is the most stable?

If the concentration of phosphate in the cytosol is 2.0 mm and the concentration of phosphate in the surrounding fluid is 0.1 mm, how could the cell increase the concentration of phosphate in the cytosol? a) passive transportb) diffusionc) active transportd) osmosise) facilitated diffusion

How many moles of bromine are needed to produce 3.23 moles of potassium bromide

Which of the following is true about the speed of light? it depends on the wavelength.