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  4. 25 g of MCl4 contains 0.5 mole chlorine then its molecular weight is

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Q. 25 g of $MCl_4$ contains 0.5 mole chlorine then its molecular weight is

Punjab PMETPunjab PMET 2007Some Basic Concepts of Chemistry

Solution:

0.5 mol chlorine is present in 25 g of $MCl_4$. 1 mol chlorine will be present in 50 g of $MCl_4$.
But $MCl_4$ contains 4 moles of chlorine then molecular weight of $MCl_4$ = 4 $\times$ 50
= 200 g $mol^{-1}$