3×10²⁵ atoms of an element has mass 800g if this element is available as triatomic gas then calculate the molar mass of the gas. Plz help me out with this no scam plz . Class 11 question
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Answer:
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Explanation:
Correct option is
B
15
No. of atoms =Atomic massGiven mass×NA
3.2×105=Atomic mass8×10−18×6×1023
Atomic mass =3.2×1058×10−18×6×1023
=3.28×6
=15
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