what is the number of molecules and no. of atoms in 0.5 mol of oxygen??
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Answer:
(ii) 3.011 x 1023 atoms of oxygen. (iii) 6.022 x 1024 molecules of oxygen. (Given atomic mass of 0 = 16u; No = 6.022 x 1023 per mole)
Explanation:
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Number of atom in one mole of O
= 6.022×10²³ atoms.
Number of atoms in 0.5 mole of O
= 6.022×10²³×0.5
= 3.011×10²³ atoms