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Can you explain the answer of this question below:
Two metallic oxides contain 27.6% and 30.0% 
oxygen respectively. If the formula of the first oxide 
is 
 that of the second will be
  • A:
    MO
  • B:
  • C:
  • D:
The answer is D.
Most Upvoted Answer
Can you explain the answer of this question below:Two metallic oxides ...
Given that, formula of first oxide = M3O4
Let mass of the metal = x
% of metal in M3O4 = (3x/ 3x+64) *100
but as given % age = (100-27.6) = 72.4 %
so, (3x/ 3x+64)*100 = 72.4
or x = 56.
in 2nd oxide,
oxygen = 30%....so metal = 70%
so, the ratio is
M : O
70/56 : 30/16
1.25 : 1.875
2 : 3
so, 2nd oxide is M2O3
Community Answer
Can you explain the answer of this question below:Two metallic oxides ...
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Can you explain the answer of this question below:Two metallic oxides contain 27.6% and 30.0%oxygen respectively. If the formula of the first oxideisthat of the second will be A:MOB: C: D: The answer is D.
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