Question #22846

A sample of aqueous chlorine bleach solution was analyzed to contain 5.00% Cl(w/v) {or 5.00gcl per 100ml}. if the source if chlorine is calcium hypochlorite Ca(OC)2 (142.98), what is the % Ca(OCl)2 (w/v) in the bleach solution?

Expert's answer

Ca(OCl)2 include 2 atoms in its structure,so you can calculate percentage of& Ca(OCl)2, because it is conected with molecular mass.

& X & 5.00%

Ca(OCl)2 ------->& 2Cl

& 142.98 2*35.45

X=142.98 * 5.00% / (2*35.45) = 10.08 %

Answer : 10.08 %

& X & 5.00%

Ca(OCl)2 ------->& 2Cl

& 142.98 2*35.45

X=142.98 * 5.00% / (2*35.45) = 10.08 %

Answer : 10.08 %

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