2. Name the following compound. H Н—с—н н н H Н—с —с— С—с—с-—с—н H H Н—с— Н Н-—с—Н Н—с—н H A. 4-ethyl-3-methylheptane B. 4-methyl-3-propylhexane C. 3-propyl-4-methylhexane D. 4-ethyl-3-methylhexene E. 3-ethyl-4-propylheptane I-0-I I-0-I

Weigh out accurately 9.99 g of copper(II) sulfate pentahydrate (CuSO4·5H2O) by taring using a clean and dry empty 250-ml beaker. 2. Add tap water to the beaker to reach the 50-mL mark on the side of the beaker. 3. Dissolve all the crystals of CuSO4·5H2O in the water using a clean glass rod for stirring. 4. Then using a glass funnel transfer all the blue solution to a 100-mL volumetric flask. Rinse the beaker with about 10 mL of water and transfer the solution to the volumetric flask. Repeat the rinsing of the beaker with another 10 mL of water and transfer the solution to the volumetric flask. This is called quantitative transfer of the solution. 5. Then add enough water to reach the calibration mark of the volumetric flask. (You will need to use a dropper to add the last few drops of water to ensure the meniscus is on the calibration mark). Close the volumetric flask with a stopper and mix the solution well (so that it is homogeneous). 6. You have now prepared a standard solution (or…

0.6 v/v to mL/L

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