iped out. The hydrometer is first dropped in water, and also the water level is marked. The hydrometer is then dropped right into the other liquid, and also it is observed that the mark for water has actually risen 0.3 cm over the liquid–air interconfront (Fig. P11–31). If the elevation of the original water note is 12.3 cm, determine the density of the liquid.

You are watching: The density of a liquid is to be determined by an old

muzic-ivan.info:

The thickness of the unrecognized liquid is 1.025 kg/m³ (considering the density of the water as 1.000 kg/m³)

Explanation:

The hydrometer functions by the Archimedes principle. The cylinder floats in the liquid bereason the hydrostatic thrust is equal to the weight force. This means: If we measure 2 fluids, the weight of the hydrometer is the very same, so: If the original watermark elevation is 12.3cm (H₁) and also the note for water has risen 0.3 cm above the unwell-known liquid–air interface, the elevation of the unwell-known liquid note is 12cm (H₂). Therefore: Sfinish
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