It could possibly refer to “the small intestines absorb most of the nutrients in food, and your circulatory system passes them on to other parts of your body to store or use. Special cells help absorbed nutrients cross intestinal lining into your bloodstream” hope this helps Good luck
You HAVE TO know that molarity (M) tells you the number of moles of a solute per Liters of solution. M=mol/L 0.3M = 2.7 mol/ Volume Volume = 2.7 mol/3.0 L Volume = 0.9 L