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Mole Concept Video Lecture | Chemistry Class 11 - NEET
FAQs on Mole Concept Video Lecture - Chemistry Class 11 - NEET
| 1. What is the mole concept in chemistry? |  |
Ans. The mole concept in chemistry is a fundamental concept that involves the measurement of the amount of a substance. It is based on the Avogadro's number, which states that one mole of any substance contains approximately 6.022 x 10^23 particles.
| 2. How do you calculate the number of moles in a given sample? | |
Ans. To calculate the number of moles in a given sample, you need to divide the mass of the sample by its molar mass. The molar mass is the mass of one mole of the substance and is usually expressed in grams per mole.
| 3. What is the relationship between moles and molar mass? | |
Ans. The relationship between moles and molar mass is that one mole of any substance contains a mass equal to its molar mass. This relationship allows us to convert between the mass of a substance and the number of moles present.
| 4. How do you convert moles to grams? | |
Ans. To convert moles to grams, you need to multiply the number of moles by the molar mass of the substance. The result will be the mass of the substance in grams.
| 5. Can the mole concept be applied to all types of substances? | |
Ans. Yes, the mole concept can be applied to all types of substances, including elements, compounds, and even mixtures. It provides a way to quantify the amount of a substance and is widely used in various calculations in chemistry.
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