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The number of atomic weight scale is bas...

The number of atomic weight scale is based on:

A

`C^(12)`

B

`O^(16)`

C

`H^(1)`

D

`C^(13)`

Text Solution

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The correct Answer is:
A
It is a fact.
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P BAHADUR-MOLE AND EQUIVALENT CONCEPT-Exercise (3A) Objective problems:
  1. Total mass of neutrons in 7 mg of .^(14)C is:

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  2. The number of atoms in 4.25 g NH(3) is approximately:

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  3. The number of atomic weight scale is based on:

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  4. Amount of oxygen in 32.2 g of Na(2)SO(4).10H(2)O is:

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  5. At STP 5.6 "litre" of a gas weigh 60 g. The vapour density of gas is:

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  6. 10 "mole of" kSO(2) and 15 "mole of" O(2) were passed over catalyst to...

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

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  8. Mole fraction of I(2) in C(6) H(6) is 0.2. Calculate molality of I(2) ...

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  9. A solution is 0.5M in MgSO(4), 0.1MACl(3) and 0.2 M in (NH(4))(2)SO(4...

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  10. Equal masses of O(2), H(2) and CH(4) are taken in a container. The res...

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  11. The mole fraction of the solute in one molal aqueous solution is:

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  12. In the solubility of liquid solutions:

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  13. After equal volume of 0.10 M solutions of (NH(4))(2)SO(4) and Ba(OH)(2...

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  14. Chlorophyll, a green colouring matter contains 2.68% Mg. The number of...

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  15. 16g of SO(x) occupies 5.6 litre at STP. Assuming ideal gas nature, the...

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  16. The radius of a water molecule having density 1.0g mL^(-1) is :

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  17. Number of positive ions in 1.45 mole of K(2)SO(4) are:

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  18. Equal moles of H(2)O and NaCl are present in a solution. The molality ...

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  19. The weight of 1 xx 10^(22) molecules of CuSO(4). 5H(2)O is

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  20. Weight of one atom an element is 6.44 xx 10^(-23) g. Calculate g atom ...

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