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4 December, 20:16

A student has a sample of isopropanol (C3H7OH) that has a mass of 78.6 g. The molar mass of isopropanol is 60.1 g/mol. How many moles of isopropanol are contained in this sample?

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  1. 4 December, 21:41
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    Given:

    mass of isopropanol = 78.6 g

    molar mass = 60.1 g/mol

    mol isopropanol = mass / molar mass

    mol isopropanol = 78.6 g / 60.1 g/mol

    mol isopropanol = 1.3078 mol

    There is 1.3078 mol isopropanol in the sample.
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