Question

The number of molecules present in 8 grams of oxygen gas are

Answer 1

HEYA GM ❤

★ WT. / MOLECULAR MASS = NO. OF MOLECULE / AVAGADRO NO.

★ 8 / 32 × NA = NO. OF MOLECULE

★ 1/4 × 6 × 10^23 = NO. OF MOLECULE

@ 1.5 × 10^23 MOLECULES ARE PRESENT IN 8g of O2 gas.

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