Which compounds have the empirical formula CH2O? C2H4O2 C3H6O3 CH2O2 C5H10O5 C6H12O6

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

If 15 drops of ethanol from a medical dropper weight 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? the density of ethanol is 0.80g/ml

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false