CBSE Class 11-science Answered
Pls solve it.
Asked by pb_ckt | 01 May, 2019, 10:43: PM
Expert Answer
Option (b) is correct.
Given:
1 gm of hydrogen atoms
We know,
1 gm of hydrogen atoms = 1 mole
1 mole of hydrogen =6.022×1023 atoms
1 atom of hydrogen conatains 1 electron
Therefore 1 gm hydrogen atoms contains 6.022×1023 electrons.
Now, for 1 gm of oxygen atoms
No. of moles of oxygen
1 mol of oxygen atoms = 6.022×1023 atoms
so 0.0625 mol f oxygen atoms =
For 2 gm oxygen atoms
No. of moles of oxygen
1 mol of oxygen atoms = 6.022×1023 atoms
so 0.125 mol f oxygen atoms =
Therefore 2 gm of oxygen atoms will conatain 6.022×1023 electrons which are same as in 1 gm hydrogen atom.
Answered by Varsha | 02 May, 2019, 11:58: AM
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