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Sulphur trioxide is prepared by the foll...

Sulphur trioxide is prepared by the following two reactions:
`S_(8(s))+8O_(2(g))to8SO_(2(g)),2SO_(2(g))+O_(2(g))to2So_(3(g))`
How many grams of `SO_(3)` are produced from `1.6 g S_(8)` ?

Text Solution

Verified by Experts

The correct Answer is:
4
`S_(8(g))+8O_(2(g))rarr8SO_(2(g))`
`256g_______8xx64=512g`
`1.6g_______3.2g`
`2SO_(2(g))+O_((2)g)rarr2SO_(3(g))`
`2xx64`
`=128g______2xx80=160g`
`3.2g______(3.2xx160)/(128)=4g`
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