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Balance the equation - I do not see any relevance with the three final equations: S8 + 8O2 8SO2 You want mass of S8 required: 1 mol S8 produces 8 mol...

Balance the equation - I do not see any relevance with the three final equations:

S8 + 8O2 → 8SO2
You want mass of S8 required:
1 mol S8 produces 8 mol SO2
Molar mass SO2 = 64.0 g/mol
6.0t = 6*10^6 g
6*10^6 g SO2 = (6*10^6)/64 = 9.375*10^4 mol SO2
You require (9.375*10^4)/8 = 1.172*10^4 mol S8
Molar mass S8 = 32*8 = 256g/mol
1.172*10^4 mol = (1.172*10^4) * 256 = 3.0*10^6 g S8 = 3.0tons S8

b) Molar mass SO3 = 80.0g/mol
Molar mass SO2 = 64g/mol

Mass of SO3 produced = 80/64*3.0 = 3.75t SO3 produced.

This question was asked on Jan 13, 2013.

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