How many moles are equal to #2.69 * 10^78# atoms of sulfur?

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Answer 1 · 2016-03-31T20:43:02

#4.47xx10^54# moles

How many dozens is 72? you just need to divide 72 by 12.

With mols it is exactly the same thing.
1 mol is approximately # 6.022xx10^23#, so you must divide the given number by # 6.022xx10^23#:

#(2.69xx10^78)/ (6.022xx10^23)=4.47xx10^54#

Since the molar mass of Sulfur is about 32.06 g/mol you will get:

#4.47xx10^54xx32.06xx10^(-3)=1.43xx10^53 kg#

This number is extraordinarly huge. It is comparable with the mass of the whole Universe, which it's taken as being at least #10^53 kg#