In the reaction between 15.0 moles of lead (ii) oxide and 2.00 moles of sulphur, how many moles of each product will form

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