The mass of I₂ that contains 2.57×10²⁵ molecules is 10843.52 g
From a detailed understanding of Avogadro's hypothesis, we understood 1 mole of any substance contains 6.02×10²³ molecules. This implies that 1 mole of I₂ also 6.02×10²³ molecules i.e
Recall:
1 mole of I₂ = 2 × 127 = 254 g
Thus,
With the above information, we can obtain the mass of I₂ that contains 2.57×10²⁵ molecules. This is illustrated below:
6.02×10²³ molecules = 254 g of I₂
Therefore,
2.57×10²⁵ molecules = [tex]\frac{2.57*10^{25} * 254}{6.02*10^{23}}\\\\[/tex]
Thus, the mass of I₂ that contains 2.57×10²⁵ molecules is 10843.52 g
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