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21 January, 19:16

What is the mass of 4 moles of C2H6O?

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  1. 21 January, 21:24
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    Answer: 184g

    Explanation:

    To calculate moles

    No of moles = mass given / molar mass

    Molar mass of C2H60

    C which is carbon is 12

    H which is hydrogen is 1

    O which is oxygen is 16

    Looking at the element, we have 2c, 6h and 1 oxygen

    Molar mass = 2 (12) + 6 (1) + 16

    Molar mass = 24+6+16

    Molar mass = 46g/m

    So we have

    No of moles = mass given/molar mass

    Here we are looking for the mass, so

    Mass = molar mass * no of moles

    No of moles given is 4moles

    Molar mass calculated is 46g/mole

    Substitute the values

    Mass = 4moles * 46g/moles

    Mass = 184g

    Mass of C2H60 = 184g
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