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1 February, 10:54

Ethanol (c2h6o) is a common intoxicant and fuel produced from the fermentation of various grains. how many moles of ethanol are represented by 50.0 kg of ethanol?

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  1. 1 February, 11:22
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    n = m / M

    Where, n is moles of the compound (mol), m is the mass of the compound (g) and M is the molar mass of the compound (g/mol)

    Here, the given ethanol mass = 50.0 kg = 50.0 x 10³ g

    Molar mass of the ethanol = (12 x 2 + 1x 6 + 1 x 16) g/mol

    = 46 g/mol

    Hence, moles in 50.0kg of ethanol = 50.0 x 10³ g / 46 g/mol

    = 1086.96 mol
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