Answer:
(a) 1 mole
of molecules =32g =6.022 x1023
atoms
32 g of molecules contain 6.022 x
1023 atoms
8 g of 0>2 molecules
contain
atoms
(b) 1 mole of carbon atoms
contain 6.022 x 1023 atoms
0.1 mole ofC atoms will
contain
atoms
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