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Calculate molarity of water $(d_{H_2O}=1gml^{-1})$

$(a)\;60\qquad(b)\;61.2\qquad(c)\;55.6\qquad(d)\;54.6$

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Consider one litre of water
Volume of water =1L=1000ml
Weight of water =$\large\frac{1000\times d}{18}$
Molarity =$\large\frac{1000\times d}{18\times 1}$
Molarity =$55.6\times d$
Molarity =$55.6\times 1$
$\Rightarrow 55.6$
Hence (c) is the correct answer.
answered Oct 31, 2013 by sreemathi.v
 

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