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What have you learned about the mole concept?

Posted on September 23, 2022 by Author

Table of Contents

  • 1 What have you learned about the mole concept?
  • 2 Is the mole concept hard?
  • 3 What are the two things that a mole represents?
  • 4 Is Mole concept easy for JEE?
  • 5 What is the difference between moles and atoms?
  • 6 What is the importance of the mole in chemistry?

What have you learned about the mole concept?

A mole is defined as 6.02214076 × 1023 of some chemical unit, be it atoms, molecules, ions, or others. The mole is a convenient unit to use because of the great number of atoms, molecules, or others in any substance.

Is the mole concept hard?

A previous study involving students and staff from a range of scientific disciplines at our university identified that the mole (and its associated applications) was a difficult area for a wide range of students. Over 50\% of respondents reported problems with the mole at some stage of their education.

How can your knowledge about mole help you in your daily living?

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In chemistry, the mole is a unit used to talk about atoms. It is similar to other units we use everyday. For example, you might walk into the local doughnut shop and order a dozen doughnuts. Rather than discussing such a large number of atoms, we can talk more conveniently through the mole unit.

How many grams does 1 mole of gold weigh?

Furthermore, the atomic mass of gold is 196.9665. That means that one mole of gold weighs 196.9665 grams (196.9665 g/mol). Based on that information, to convert 1 moles of gold to grams, we multiply 1 moles of gold by 196.9665.

What are the two things that a mole represents?

Expert Answer:

  • A mole represents two things:
  • It represents a definite amount of the substance i.e. an amount of substance equal to its gram atomic mass or gram molecular mass.
  • It represents a definite number (6.022 × 1023) of atoms, molecules or ions of a substance.

Is Mole concept easy for JEE?

Mole Concept: Hence, it is indeed one of the most important and basic chapters for JEE chemistry. You should read this chapter thoroughly to gain a firm command over the entire chemistry subject.

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Is Mole concept important for NEET?

Mole concept and Stoichiometry is an important topic from NEET Exam Point of view. Some questions can be asked directly. Most importantly, the whole Chemistry includes this topic. Thus, it is very important to have a clear cut on this topic.

What elementary entities can be represented in moles?

The elementary entities that can be represented in moles can be atoms, molecules, monoatomic/polyatomic ions, and other particles (such as electrons). For example, one mole of a pure carbon-12 ( 12 C) sample will have a mass of exactly 12 grams and will contain 6.02214076*10 23 (N A) number of 12 C atoms.

What is the difference between moles and atoms?

It provides a specific measure of the number of atoms or molecules in a bulk sample of matter. A mole is defined as the amount of substance containing the same number of discrete entities (atoms, molecules, ions, etc.) as the number of atoms in a sample of pure 12C weighing exactly 12 g.

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What is the importance of the mole in chemistry?

All chemistry is pervaded by the mole definition. Since most quantitative chemical calculations are focused on the mole, for the study of chemistry, an understanding of the mole is important. A knowledge of how the mole applies to mass, number of entities.

How do you calculate the number of moles in a sample?

The number of moles of a substance in a given pure sample can be represented by the following formula: n = N/N A Where n is the number of moles of the substance (or elementary entity), N is the total number of elementary entities in the sample, and N A is the Avogadro constant.

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