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Find the number of molecules in 1.8 g o...

Find the number of molecules in 1.8 g of `H_2O`.

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MBD-ATOMS AND MOLECULES -Example
  1. Calculate the actual weight of : an atom of oxygen

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  2. Calculate the actual weight of : a molecule of NH3

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  3. Find the number of molecules in 1.8 g of H2O.

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  4. Which of the following would weigh most ? 1 Mole of H2O,1 mole of CO2,...

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  5. Calculate the number of moles of phosphorus atoms in 100 g of phosphor...

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  6. Find the number of hydrogen atoms in 0.1 mole of H2SO3.

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  7. Calculate the number of atoms in each of the following :52 mole of He

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  8. Calculate the number of atoms in each of the following : 52 mole of H...

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  9. Calculate the number of atoms in each of the following : 52 mole of He

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  10. When did Indian philosophers thought of division of matter ?

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  11. What was the view of Maharishi Kanad regarding the division of matter ...

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  12. What was the name of smallest indivisible particle by Kanad ?

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  13. Which two Greek philosophers considered smallest particle as indivisib...

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  14. What is the ratio by mass of H and O in water ?

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  15. What is the ratio by mass of N and H in NH3

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  16. What is Prouÿs law of constant composition ?

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  17. Who gave Atomic theory ?

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  18. When did John Dalton gave atomic theory ?

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  19. What are the units used to express the atomic radius ?

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  20. What is the relationship between m and nm ?

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