Question

no. of gram atom presenth in 288g of sulphur

Answer 1

1 Gram atom means one mole of the substance.

1 gram atom of sulphur weighs 32grams.

Hence you can write it this way-

1 gm atom--------------->32gm

x gm atom--------------->8gm

By cross multiplying you get

X gram atom=(8*1)32gram atoms

——->This implies x=1/4

Hence 8grams of sulphur contains 0.25gram atoms of sulphur.

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Explanation: