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How many moles are in 96 g O(2)?...

How many moles are in `96 g O_(2)?`

Text Solution

Verified by Experts

The correct Answer is:
3
`because 32 gO_(2) "has mole"=1`
`:. 96 g O_(2) "has mole"=(96xx1)/(32)=3`
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P BAHADUR-MOLE AND EQUIVALENT CONCEPT-Exercise 6 (INTEGER ANSWERS TYPE PROBLEMS)
  1. How many g-atom are in 84 g of carbon?

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  2. How many moles are in 96 g O(2)?

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  3. How many g-atom of S are present in 196 g of H(2)SO(4)?

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  4. The measured density at NTP of He is 0.1784 g L^(-1). Calculate the we...

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  5. Calculate the number of moles of water in 610 g BaCl(2).2H(2)O

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  6. Haemoglobin contains 0.312% iron by weight. The molecular weight of ha...

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  7. A solid element is specific heat 1 Jg^(-1)K^(-1). If equivalent weight...

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  8. An element has atomic mass 31. Mass of 1.12 "litre" at STP of vapours ...

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  9. On heating 1.763 g of hydrated BaCl(2) to dryness, 1.505 g of anhyrous...

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  10. A gaseous alkane was exploded with oxygen. The volume of O(2) for comp...

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  11. A branded tooth paste contains 0.754 g sodium in form of sodium monof...

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  12. Find the molality of H(2)SO(4) solution whose specific gravity is 1.98...

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  13. Calculte the degree of hardness of a sample of water containing 6 mg o...

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  14. Find the number of g-molecules of oxygen in 6.023xx10^(24)CO molecules...

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  15. Calculate the mass of CaO that shall be obtained by heating 20 kg of 8...

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  16. H(2)O(2) is marked 22.4 volume. How much of it is required to oxidise ...

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  17. Calculate the weight of NaOH in 75 mill-equivalents.

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  18. Calculate the normality of 0.74 g Ca(OH)(2) in 10 mL of solution.

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  19. What is the strength in g//L of a solution of H(2)SO(4), 14 mL of whic...

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  20. Find the weight of H(2)SO(4) in 919 mL of a solution of 0.2N strength.

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