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A metal forms a volatile chloride whose vapour density is 130.55.the specific heat of the metal is 0.055.find out the exact atomic weight of the metal and the formula of its chloride.

A metal forms a volatile chloride whose vapour density is 130.55.the specific heat of the metal is 0.055.find out the exact atomic weight of the metal and the formula of its chloride.

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Grade:11

2 Answers

Arun
25750 Points
4 years ago
Dear avantika
 
in image it is 0.855 while you have posted 0.055 here. Please confirm once so that correct answer can be achieved.
Vikas TU
14149 Points
4 years ago
Dear student 
Dear student 
Moecular mass = 2*V.D 
=2* 130.55 = 261.1
Atomic mass of metal = 6.4 /Specific het 
= 11.6 (taking 0.55) 
Atomic mass f Boron is 11 
Molecular mass = 261.1
Mass of chlorine = 261.1 - 11.6 = 249.5
Atomic mass of one chlorine atom is 35.5
so , 249.5 / 35.5 = 7 (appx.) 
Formula is BCl7 
Hope this helps  
 

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