Question

In one experiment, 17.8 g of chlorine were used and yielded 43.5 g of chlorine dioxide- CIO2 b. Calculate i) the theoretical yield (in grams) of chlorine dioxide- CIO2 The % yield of chlorine dioxide ii)

Answer 1

As yield % is greater than 100% hence it contains impurities which increase the mass of Cl02.

given it ų is used to boran chloine dioxide. G +H2O nou the HOLU + HU+2Nacloz 22 201q +120 + 2Nace Hence; Also given from 1 mole ot u amole of CO2 formed 17-8 gm of chlorine were used as - 2002 17.89m moles of a = 17.8 Molar mass of u = 17.8 71 Hence moles of Coz formed = 2X17-8 71 Theoritical field of co₂ = moles x molar mass of coz = 2X 17.8 x (35-5 +32) 71 = 33.85gm grad of uą = 33 -85 gn gram Theoritical dioxide styreld of chlorine { given (1) Actual = 43.59 Actual x100 Theoritical x 100 43.5 33.55 2 128.50-1. Cyreld)

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