Calculate the number of moles in the 128 gram of oxygen
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Answer:
Correct option is
A
0.5
Number of moles=
Molar mass of compound
Weight of compound
The sulphur molecule exists as S
8
molecule. Its molar mass is 8×32g/mol=256g/mol.
128 g of sulphur corresponds to
256g/mol
128g
=0.5mol.
no.of moles of oxygen = 8
Explanation:
no.of moles of oxygen = 128/16 =