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The term mole first used by Ostwald in 1...

The term mole first used by Ostwald in `1896` refers for the ratio of mass of a substance in `g` and its molecular weight. `1 "mole"` of a gaseous compound occupies `22.4 "litre"` at `NTP` and contains `6.023xx10^(23)` molecules of gas.
The amount of sulphur required to produce `100 "mole"` of `H_(2)SO_(4)` is:

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