Equal weights of mercury and iodine are allowed to react completely to form a
mixture of mercurous and mercuric iodide leaving none of the reactants. Calculate
the ratio by weight of Hg2I2 and HgI2 formed.
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Hg201g+I2254g→HgI2455g
2Hg402g+I2254g→HgI2656g
Let the wt. of HgI2 formed be x and HgI2 formed be y.
In the case of Hg2I2,Hg=402656x,I2=254656x
In the case of Hg2I2,Hg=201455y,I2=254455y
So,402656x+201455y=254656x+254455y
From this equation, x/y can be calculated
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