Can someone help with this? Sam was given the following equation to balance: H2O → H2 + O2. She balanced it as follows: 2 HOH2 + O2. What did she do wrong? What is the correct way to balance the equation?​

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