Question

2. Determining a procedure to produce chlorine water. You will want to copy this information into your procedure for use in class. a. Write the chemical reaction for the formation of Cl, from the reaction of OCl and cl in an acidic solution where Cl, is the only halogen containing product. b. What is the reducing agent in the above reaction? C. How much of solid Ca(OCl), 0.2M NaCl, 0.5M H,SO,, and water is needed to prepare 12 mL of a 0.050M Cl, solution? Record these quantities in the procedure. Laboratory 11 Halogen Activity

Answer 1

2. a) The seautia fon ormatior e Can be wntha as 2 Caloc)2 + 2 Naci + 4H Sou 3CI+ 2 Casoy + 2 Nasoy 4t0 Molas mass: 142.98 S8.44 (36.14 70.9 98.07 g/moL 9/moL Accordung bo Stpichianetry 2.85.9 16.83 (2x142.48) 392.289 (2us8n) (4.0) (axto1) 212 79 Mass gien: To Rrataso: 12mL 0.050M C soludion 12mL x 0.65o mol 0.6mmol o C4 As it is clear Pon Balanced eauatio that, 2 mole ol aloa) O.6Mmol Aroduced from 3 moles of C ase 0.4mPol el Calec) O.6 mmol JI mass=moar mass X moles 1ol- loema) 28 142198 9 x 6.4xlo mol mol Calociz =O.oS7192 3 moles el C ass froduced Pram 2 mdes of Nac Nac Also 0.4 mmol O.6 mmo mass = 58.449 Xo.4 xlmol Naci mol Nac O-023376 Pordnead om males e tsay 3Moles oh ae xo6mmel0-8mmd e H2Soy 0.6mmd 3

we tave 0.5M H2Say Melauty moles Volum Volume 0.8 mmol O.5 mol L Vdune W.6mL Tsay Totel Yolune d Solutuon = Volune o tsay +Volum e HO Vodune H0= 12mt-t.6mL Volea kolo 4 mL frpors Lohiig 0.051929 aloc)0r023g a dolutor T, we vcan Naci, 1.6mL Hsoy and lo.4nL el Prodece 12ml Water to O.050M Cl2 olution in Nau is gettiny onidised to C12 Cis reduly agat in the reaction