Mass percent = % (m/m) = (grams of solute/grams of solution) x 100. Solution, not solvent so you need to add them. % (15 g / 15 g + 235 g) x 100 = 6.0% Na2CO3. An IV solution is prepared by dissolving 25 g glucose (C6H12O6) in water to make 500 mL solution.
âActivated B cells differentiate into either antibody generating factories called plasma cells that secrete soluble antibody, or into memory cells that survive in the body for years afterwards to allow the immune system to remember an antigen and respond faster upon future exposures.â ~ Wikipedia...
White blood cells or leukocytes are cells of the immune system that defend the body from disease- causing germs, bacteria, and viruses. They are called white blood cell simplyâ¦ because they're white. They are produced in the bone marrow and live between 3 and 4 days. There are five different species of white blood cell.