How is sewage cleaned and is that dirty
water again used?

How many moles of al3+ ions are in 1.25 moles of al2o3

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0

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