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A chemistry student must write down in her lab notebook the concentration of a solution of sodium hyda concentration of a solution equals the mass of what's dissolved divided by the total volume of the soluti Here's how the student prepared the solution: . • The label on the graduated cylinder says: empty weight: 5.50 g olo • She put some solid sodium hydroxide into the graduated cylinder and weighed it. With the sodium the cylinder weighed 25.514 g. • She added water to the graduated cylinder and dissolved the sodium hydroxide completely. Then volume of the solution from the markings on the graduated cylinder. The total volume of the solut 137.3 mL. What concentration should the student write down in her lab notebook? Be sure your answer has the co significant digits. -1 8.mL X 5 ?