the ratio of carbon 12 atomic to that of an atom of element X ( whose atomicity is four ) is 1:9. The molecular mass of element X is
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39
Given :
Atomic mass of carbon -12=12u
Molar mass of carbon -12=12g
The mass of 1 mole of carbon 12=12g
Ratio of carbon 12 atomic mass to that of X is =1:9
12/x=1/9X
=108g
The mass of one molecule of X atoms contains 9x12=108g
The atomicity=4
Thus , one molecule will contain 4 X atoms
Hence, the mass of 1 mole of compound will be 4x108=432g
The molecular weight of X will be 432g
Atomic mass of carbon -12=12u
Molar mass of carbon -12=12g
The mass of 1 mole of carbon 12=12g
Ratio of carbon 12 atomic mass to that of X is =1:9
12/x=1/9X
=108g
The mass of one molecule of X atoms contains 9x12=108g
The atomicity=4
Thus , one molecule will contain 4 X atoms
Hence, the mass of 1 mole of compound will be 4x108=432g
The molecular weight of X will be 432g
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4
Answer: 432 g
Explanation:.
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