what mass of K2CrO4 should be use when preparing 0.25L OF a 0.250MK2CrO4solution in water , Mm=194.2 g/mol

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?