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How many grams of magnesium will have th...

How many grams of magnesium will have the same number of atoms as 6 grams of carbon ?
`(Mg = 24 u , C = 12 u )`

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LAKHMIR SINGH & MANJIT KAUR-ATOMS AND MOLECULES-Exercise
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  2. If one grams of sulphur contains x atoms, calculate the number of ato...

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  3. How many grams of magnesium will have the same number of atoms as 6 ...

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  4. The mass of one atom of an element X is 2.0 xx 10^(-23) g. (i) Calc...

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  5. In a reaction, 5.3 g of sodium carbonate reacted with 6 g of acetic ac...

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  6. Hydrogen and oxygen combine in the ratio of 1:8 by mass to form water....

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  7. Which postulate of Dalton’s atomic theory is the result of the law of ...

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  8. Which postulate of Dalton’s atomic theory can explain the law of defin...

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  9. Define the atomic mass unit.

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  10. Why is it not possible to see an atom with naked eyes?

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  11. Write down the formulae of (i) sodium oxide (ii) aluminium chlor...

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  12. Write down the names of compounds represented by the following formula...

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  13. What is meant by the term chemical formula?

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  14. How many atoms are present in a (i) H(2)S molecule and (ii) PO...

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  15. Calculate the molecular masses of H(2), O(2), Cl(2), CO(2), CH(4), C(2...

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  16. Calculate the formula unit masses of ZnO, Na(2)O, K(2)CO(3), given ato...

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  17. If one mole of carbon atoms weighs 12 grams, what is the mass (in gram...

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  18. Which has more number of atoms, 100 grams of sodium or 100 grams of ir...

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  19. A 0.24 g sample of compound of oxygen and boron was found by analysis ...

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  20. When 3.0 g of carbon is burnt in 8.0 g oxygen, 11.0 g of carbon dioxid...

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