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When distilled water is used to calibrate a refractometer, what should the specific gravity be of the water?

a. 1.080
b. 1.010
c. 1.000
d. 1.050

User Keydon
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1 Answer

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Final answer:

The specific gravity of distilled water used to calibrate a refractometer should be 1.000, as specific gravity is a ratio that compares the weight of a liquid to that of pure water.

Step-by-step explanation:

When distilled water is used to calibrate a refractometer, the specific gravity should be 1.000. This is because specific gravity is a measure of the weight of a liquid compared to pure water, and pure water itself has a specific gravity of 1.0 at room temperature.

The presence of any solute in water increases its specific gravity, so distilled water, which is pure, naturally has a specific gravity equal to the baseline value of 1.0.

User Paras Korat
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