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Find the % labelling of 100g oleum sampl...

Find the % labelling of 100g oleum sample containing `10g` `SO_(3)`

Text Solution

Verified by Experts

`40 g SO _(3)` needs `9 g H _(2)O`
10 g of `SO _(3)` needs `(10 xx 9)/(40) = 2. 25 g ` of water
Therefore % labelling of oleum sample ` = (125 + 2.25) = 102. 25 %`
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