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How many moles of $KI$ are needed to produce 0.4moles of $K_2HgI_4$?

$(a)\;0.4\qquad(b)\;0.8\qquad(c)\;3.2\qquad(d)\;1.6$

1 Answer

2 mole KI= 1mole $K_2HgI_4$
1 mole $K_2HgI_4\Rightarrow 2$ mole KI
0.4 mole $K_2HgI_4\Rightarrow 2\times 4$ mole KI
$\Rightarrow 0.8$Mole $KI$
Hence (b) is the correct option.
answered Jan 8, 2014 by sreemathi.v
edited Jan 8, 2014 by sreemathi.v
 

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