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Grade: 11


A Metal oxide contains 20% oxygen by weight . Find the Equivalent weight of metal .

2 years ago

Answers : (2)

3007 Points
metal = 80% 
oxygen = 20%

100g of metaloxide contains 80g metal and 20g oxygen,therefore

equivalent weight of metal is=mass of metal x 8/mass of oxygen = (80/20)x 8=32

Hope it clears.

2 years ago
Kushagra Madhukar
askIITians Faculty
605 Points
Dear student,
Please find the solution to your problem below.
Let us consider 100 g of Metal oxide.
Mass of metal in oxide = 80 g
Mass of oxygen in oxide = 20 g
Now, equivalents of Metal = equivalents of oxygen
Hence, 80/x = 20/8
Hence, x = 4 x 8 = 32 g
Hence, Equivalent weight of Metal = 32 g
Thanks and regards,
4 months ago
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