Distilled water in the same tube gave a reading of 0.016, Ask an Expert

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Specific Rotation
A sample of 150 mg of an rganic compound is dissolved in 7.5 mL of water. The solution is placed in a 20-cm polarimeter tube and the rotation measured in a polarimeter. The rotation observed was +2.676 degrees. Distilled water in the same tube gave a reading of +0.016 degrees. Calculate the specific rotation for the compound.

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