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1. 6.022×10232. 24/6.002×10233. 2.5 ×10234. 0.25×1023. |
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Answer» ANSWER : Option (4) 0.25 × 1023 We know that , 1 mole i.e 24 g of magnesium consists of 6.022 × 1023 ( Avogadro's Number ) molecules . So 1 g of magnesium strip will contain = 6.022 × 1023 /24 ≈ 1/4 × 1023 = 0.25 × 1023 \(\therefore\) 1 g of magnesium strip will contain 0.25 × 1023 molecules. |
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