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Chemistry
How much does mass of NH3 contain same number of atoms as in 4 g atom of oxygen?
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Q. How much does mass of $NH_3$ contain same number of atoms as in $4\, g$ atom of oxygen?
Some Basic Concepts of Chemistry
A
$17\, g$
30%
B
$68\, g$
38%
C
$42\, g$
19%
D
$34 \,g$
13%
Solution:
$4\, g$ atoms of oxygen $= 4\, mol$ of oxygen atoms
$= 4\, N_0$ atoms of oxygen
$1$ mole of $NH_3 .= N_0$ molecules $= 4\, N_0$ atoms $= 17\, g$