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The number of gram atoms of oxygen prese...

The number of gram atoms of oxygen present in 0.25 mole of `(COOH)_2 2H_2O` is

A

`0.125`

B

`0.50`

C

`1.0`

D

`1.5`

Text Solution

Verified by Experts

The correct Answer is:
D
1 mole of `(COOH)_(2)*2H_(2)O` cotains
6 gram atoms of oxygen
`0.25` mole of `0.25` mole of `(COOH)_(2)*2H_(2)O` contain
`=6xx0.25=1.5` gram atoms
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MTG IIT JEE FOUNDATION-ATOMS, MOLECULES AND ATOMIC STRUCTURE-EXERCISE (Multiple Choice Questions)
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  6. The total number of electrons present in 18 mL of water is ……

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  7. The number of water molecules present in a drop of water weighing 0.01...

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  8. The element whose one atom has mass of 10.86xx10^(-26) kg is (Atomic ...

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  9. What are the total number of moles of atoms in 4.32 g of Sc(NO(3))(3)?...

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  10. The total number of protons in 10g of calcium carbonate is (N(0) = 6.0...

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  11. The number of molecules in 16 g of methane is

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  12. How many moles are present in 11.5 g of sodium?

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  14. A quantity of aluminium has a mass of 54 g. What is the mass of same n...

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  15. Number of atoms of oxygen present in 10.6 g of Na(2)CO(3) will be

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  16. 2 g of oxygen contain same number of atoms as contained by

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  17. The largest number of N-atoms are found in

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  18. How many molecules are present in 3 moles of ethane?

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  19. Which of the following has greatest number of atoms?

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  20. 1 kg mole of oxygen (O(2)) has .......... electrons.

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