The elevation of boiling point of 0.10 m...

The elevation of boiling point of 0.10 m aqueous `CrCl_3.xNH_3` solution is two times that of 0.05 m aqueous `CaCl_2 ` solution . The value of x is ____________
[ Assume 100% ionisation of the complex and ` CaCl_2` , coordination number of Cr as 6 , and that all ` NH_3 ` molecules are present inside the coordination sphere]

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