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Sunday, April 19, 2020
25 gm of Oleum sample required 2 gm of water ,find out the % labelling of sample .
SOLUTION:
:
25 gm oleum required 2 gm water
1 gm require …………. 2/25 gm water
100 gm require ……..2/25x100=8 gm
Hence % labelling is 108%
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