A conical flask contain 68.4 gram of Octane. how many molecules of Octane are there in the flask?(C8 H18)
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Explanation:
Gram Molecular mass of octane = (12×8)+(18×1)g
96+18 => 114g
given mass = 68.4g
thus no of molecules : (given mass/ molar mass)*Na
=》68.4/114 = 0.6
=》 0.6 × 6.022 × 10 ²³
=》 3.6132 × 10²³.
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