Answer Happy

INSTRUCTION: Show all computations and BOX final answers rounded off to 4 significant figures and complete with unit. Follow strictly to avoid deductions. • All computations should be handwritten. • Do not remove the problem here. After computing, take a clear, unskewed photograph and paste it below the stated problem. Make sure that before submitting, all photographs are in place and not distorted. Check submission after it was sent to ensure that all answers are placed properly to avoid deductions. 1. A patient has a cholesterol count of 206 mg/dL. What is the molarity of cholesterol in this patient's blood if the molar mass of cholesterol is 386.64 g/mol? (1 L= 10 dL) 2. How many moles of glucose (CHO) are in 300mL of a 2M glucose solution? 3. What will the concentration of tris [(CH OH) CNH] be if 28.50 ml of the tris solution is titrated with 28.12 mL of 0.1718 N NaOH? 4. How many grams of NaCl are required to make 0.50L of a 1.5M NaCl solution? (MW NaCl = 58.5 g/mol) 5. Calculate the molarity of 48.0 mL of 6.00 M H2SO4 diluted to 0.250 L 6. Calculate the weight of CaCl2 required to prepare 0.614L of 0.241M CaCl2 solution 7. Fill up the table with the necessary values required. Show all computations and separate solutions for samples. Sample 1 Sample 2 Sample 3 0.5134 g 0.5023 9 0.5109 9 Initial reading, HCI 2.5 ml 1 ml 0.5 mL Final reading, HC 19.3 ml 35.8 ml 25 ml Weight of the sample N.CO 0.25N 0.25N 0.25N Volume HCl used, mi Normality of HCI Computed weight of Na, co % Na co or total alkaline strength