4. Did you know that the polar bear has black fur? Why does it look like it has white fur? HELP

Can someone me out on this question for my national 5 chemistry homework

When microscope slides are stained to show blood cells, the small red blood cells that appear on the slides are much numerous than the large white blood cells. this supports the concept that

Calculate the number of grams of sodium in 3.00 g of each sodium-containing food additive.