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How many g-atom are in 84 g of carbon?...

How many `g`-atom are in `84 g` of carbon?

Text Solution

Verified by Experts

The correct Answer is:
7
`because g-"atom"=("wt".)/("at.wt".)=(84)/(12)=7`
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Knowledge Check

  • How many H-atoms are present in 0.046 g of ethanol

    A
    `6 xx 10^(20)`
    B
    `1.2 xx 10^(21)`
    C
    `3 xx 10^(21)`
    D
    `3.6 xx 10^(21)`

  • How many H- atoms are present in 0.046 g of ethanol ?

    A
    `6 xx 10^(20)`
    B
    `1.2 xx 10^(21)`
    C
    `3 xx 10^(21)`
    D
    `3.6xx 10^(21)`

  • x g of element P (atomic weight 15) contains y atoms. How many atoms are contained in 2x g of element Q (atomic weight 30)?

    A
    2y
    B
    4y
    C
    `1/2` y
    D
    y
    • 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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