# A 3 .80-mL sample of mercury has a mass of 51 .4 g . What is the density of mercury in g/cm 3 ?

### Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692

Chapter
Section

### Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692
Chapter 2, Problem 42E
Textbook Problem
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## A 3 .80-mL sample of mercury has a mass of 51 .4 g . What is the density of mercury in g/cm 3 ?

Interpretation Introduction

Interpretation: The density of mercury in (g/cm3) is to be calculated.

Concept Introduction: Density is defined as the ratio of mass and volume, or mass per unit volume. Mathematically, it is defined as:

density(d) = mass(m)volume(V)

Calculation of density(d) of a substance requires the division of its mass(m) by its volume(V). Therefore, the most commonly used units are:

 Gram per cubic meters (g/cm3)

 Gram per milliliter (g/mL)

### Explanation of Solution

Given information: Mass of sample of mercury = 51.4 g

Volume of sample of mercury = 3.80 mL

The conversion of milliliter into cubic centimeter is as follows:

1 mL = 1 cm3

The above conversion shows that milliliter and cubic centimeter are equivalent units. Therefore, the conversion is as follows:

3.80 mL = 3.80 cm3

The density of mercury sample is as follows:

d= mV

Substitute, mass = 51

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