find the number of o atom in 90 gm of h20????????
plzz ans ..............fast
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find the number of o atom in 90 gm of h20????????
plzz ans ..............fast
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=5 number of atoms
=5 × 6.022 × 10^23 × 3
[ since water contains two hydrogen atom and one oxygen atom]
= 90.33×10^23 atoms of water.