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What is the symbol for SI unit of mole? ...

What is the symbol for SI unit of mole? How is the mole defined?

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Symbol for SI unit of moe is mol
One mole is defined as the amount of a substance that contains as many particles and there are atoms in exactly 12g (0.012kg) of the `.^(12)C`-isotope.
`(1)/(12)g` of `.^(12)C` isotope=1mole
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NCERT EXEMPLAR-SOME BASIC CONCEPTS OF CHEMISTRY-All Questions
  1. What will be the mass of one .^(12)C atom in g?

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  2. How many significant figures should b e present in the answer of the f...

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  3. What is the symbol for SI unit of mole? How is the mole defined?

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  4. Distinguish between molarity and molality.

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  5. Calculate the mass per cent of calcium, phosphorus and oxygen in calci...

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  6. 45.4L of dinitrogen reacted with 22.7L of dioxygen and 45.4 L of nitro...

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  7. If two elements can combine to form more than one compound, the masses...

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  8. Calculate the average atomic mass of hydrogen using the following data...

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  9. Hydrogen gas is prepared in the laboratory by reacting dilute HCl with...

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  10. The density of 3 molal solution of NaOH is 1.110g mL^(-1). Calculate t...

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  11. Volume of a solution chagnes with chagne in temperature, then what wil...

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  12. If 4 g of NaOH dissovles in 36g of H(2)O, calculate the mole fraction ...

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  13. The reactant which is entirely consumed in reaction is known as limiti...

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  14. Match the following.

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  15. Match the following physical quantities with units.

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  16. Assertion(A) The empirical mass of ethene is half of its molecular mas...

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  17. Assertion(A) One atomic mass unit is defined as one twelth of the mass...

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  18. Assertion(A) Significant figures for 0.200 is 3 where as for 200 it is...

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  19. Assertion(A) Combustion of 16g of methane give18 g of water. Reason(...

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  20. A vessel contains 1.6g of dioxygen at STP(273.15k,1atm pressure). The ...

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