# Report

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Submitted By roivincent19
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“Determination of Densities”

EXPERIMENT #1: DETERMINATION OF DENSITIES

**ABSTRACT** The experiment conducted was to characterized different substances using its density. It is the amount of matter occupying a unit of volume. Different types of solids and liquids were measured to get its density including a unknown sample (liquid). We started first on liquid samples which are distilled water, isocrophyl alcohol, coconut oil and an unknown liquid sample. The percentage error ranged below 5.00% for all sample except for coconut oil. We are also able to identify the unknown liquid sample to be kerosene as we compared it with its actual density value. For solid samples, a wood block, pebbles and a marble was examined. The density results were found to be 0.69 g/cm3, 0.53 g/cm3, and 14.21 g/cm3 respectively. Everything that let the overall results to be accurate and precision were the accuracy of the measurements of the samples.

INTRODUCTION

Density is an intrinsic property which means it doesn’t depends on the amount of a substance. It is defined as the amount of matter (usually as mass) occupying a unit volume. Density is commonly expressed in g/ml for liquids, g/cm3 for solids, and g/L for gases. It can describe the characteristic property of a certain substance. The formula for density is defined as D = M/V wherein M is mass of the material and V is the volume the material occupies.

The mass of a liquid or a solid may be taken directly from a balance. Likely the same, the volume of a liquid sample may be read from a graduated cylinder. Certain formulas can be used to calculate the volume of regular solids such as cube, rectangle and sphere. Using these two key measurements, we could calculate the density of a certain material.

MATERIALS AND METHODS

The density of water, isopropyl alcohol, coconut oil and an unknown liquid were...

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