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The number of neutrons in 5 "g of" D(2)"...

The number of neutrons in `5 "g of" D_(2)" O(D is " ._(1)^(2)H)`

A

`0.25 N_(A)`

B

`2.5 N_(A)`

C

` 1.1 N_(A)`

D

None of these

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NARENDRA AWASTHI-STOICHIOMETRY-Level 1 (Q.1 To Q.30)
  1. The total number of neutrons present in 54mL H2O(l) are :

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  2. Total number of electrons present in 48g mG^(2+) are :

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  3. The number of neutrons in 5 "g of" D(2)" O(D is " .(1)^(2)H)

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  4. Cisplatin, an anticancer drug, has the molecular formula Pt(NH3)2 Cl2....

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  5. Aspirin has the fromula C9 H8 O4. How many atoms of oxygen are there i...

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  6. 20g of ideal gas contains only atoms of S and O occupies 5.6 L at 1 at...

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  7. A sample of ammonium phosphate, (NH4)3PO4, contains 6 moles of hydroge...

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  8. Total number of moles of oxygen atoms in 3 litre O3 (g) at 27^@ C and ...

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  9. 3.011 xx 10^22 atoms of an element weighs 1.15 gm. The atomic mass of ...

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  10. One atom of an element x weighs 6.643 xx 10^(-23)g. Number of moles of...

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  11. Mass of one atom of the element A is 3.9854 xx 10^(-23)g. How many ato...

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  12. Which of the following contains the largest mass of hydrogen atoms ? A...

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  13. Which has minnimum number of oxygen atom ?

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  14. Rearrange the following (I to IV) in the order of increasing masses : ...

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  15. If the volume of a drop of water is 0.0018 mL then the number of water...

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  16. It is known that atom contain protons. Neutrons and electrons. If the...

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  17. Common salt obtained from sea-water contains 8.775% Na Cl by mass. The...

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  18. The number of hydrogen atoms present in 25.6 g of sucrose (C12 H22 O11...

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  19. Caffiene has a molecular mass of 194. If it contains 28.9% by mass of ...

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  20. The density of water is 1g/mL. Water is the volume occupied by 1 molec...

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