Question

How much positive charge is in 2 moles of carbon?

   How much positive charge is in 2 moles of carbon?

Pearson Physics

Pearson Physics

James S. Walker 1st Edition

Chapter 19, Problem 41

Instant Answer

Solved by Expert Nishant Kumar

02/25/2023

Step 1

We know that 1 mole of any substance contains Avogadro's number of particles (atoms, molecules, etc.). So, the number of carbon atoms in 2 moles of carbon is given by: \[2 \times \text{Avogadro's number} = 2 \times 6.022 \times 10^{23}\] Show more…

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Key Concepts

Elementary Charge

The elementary charge is the fundamental unit of electric charge, representing the charge carried by a single proton. This constant is crucial when calculating the total positive or negative charge in a sample by scaling the count of charged particles, such as protons, by the value of the elementary charge.

Mole and Avogadro's Number

The concept of a mole is a fundamental unit in chemistry used to quantify the amount of substance. One mole represents approximately 6.022 x 10^23 entities, a number known as Avogadro's number. This bridges the microscopic scale of atoms and molecules with quantities that can be measured in the laboratory.

Atomic Structure and Proton Count

Atoms consist of a nucleus made up of protons and neutrons, with electrons orbiting around it. The positive charge of an atom comes from the protons in its nucleus. Understanding the atomic number, which indicates the number of protons, helps in determining the total positive charge within a given amount of substance.

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