how many atoms present in 1/2 gm of oxygen ???...
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Mass given--> 0.5g or 1/2 g
Molar mass of O2---> 32
no. of atoms or moles= mass/ molar mass
= 0.5/32
= 1/64 moles
mantasakasmani:
wrong
but thanks
yes.. i noticed that my answer is wrong
and sorry for that
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