Which has the maximum number of oxygen atom. a)O. b)O². c)O³ d) all have same n. of atoms
Answers
Answer:
All three will contain the same number of atoms.
Explanation:
Data:-
Weight of O=1.0g
Weight of O
2
=1.0g
Weight of O
3
=1.0g
Formula:-
(1) Number of moles=
molar mass
given mass
(2) Number of atoms=Number of moles × Avogadro's number
(i) For O, Number of moles=
16
1.0
=0.0625 [molar mass of O=16 g mole
−1
]
Number of atoms=0.0625×6.022×10
23
=0.376×10
23
(ii) For O
2
, Number of moles=
32
1.0
=0.031 [molar mass of O
2
=32 g mole
−1
]
Number of atoms =2×0.031×6.022×10
23
=0.376×10
23
(iii) For O
3
, Number of moles=
48
1.0
=0.020 [molar mass of O
3
=48 g mole
−1
]
Number of atoms =3×0.020×6.022×10
23
=0.376×10
23
Answer:- All three will contain the same number of atoms.
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