Part B: Specific gravity of distilled water.


Temperature of distilled water: 20^oC


Specific gravity: 1.0000 or 1.000 (according to the hydrometer used)



Part C: Specific gravity of standard sugar solutions


Standard Sugar Solution  

#1 Mass of Sugar: 18.03g
Volume of Solution: 500mL
Specific Gravity:1.004

#2 Mass of Sugar: 36.01g
Volume of Solution: 500mL
Specific Gravity:1.027

#3 Mass of Sugar: 53.03g
Volume of Solution: 500mL
Specific Gravity:1.040

Part D: Specific gravity of soft/sports drinks

Solution Specific Gravity of

Regular Coke : 1.050

Gatorade : 1.025

1. Calculate the density of distilledwater used.

(Hint: A hydrometer is an instrument that measuresthe density of a liquid. It is designed to float in a liquid.The
length of a hydrometer floating above the liquid surface depends onthe density of a liquid. A hydrometer sinks
more in a liquid with a lower density. Printed scales of ahydrometer measure the specific gravity of a liquid at a
particular temperature. A specific gravity is the ratio of thedensity of the liquid with respect to the density of water
at a specific temperature: )

(Eq. 1) specific gravity = density of a liquid / density ofwater

Specific gravity scales of your hydrometer uses the density ofwater at 60^oF (15.6^oC) as unity which is 0.9990090
g/mL.

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