Please need help with answering this question I\'am very lost, any help would ap

Question

Please need help with answering this question I'am very lost, any help would appreciated. I highlighted equation 2 which is the one that must be used.

Thank you

4. Using the equation in question 2 above, work backward to determine how many L of chlorine gas must be used to generate 2.0 kg of bleach, with the same mean weight % of NaClO that you determined in this experiment. Use SATP conditions (1 bar and 25 °C), and assume an excess of sodium hydroxide. Incidentally, this is how bleach is prepared (by reacting chlorine gas with strong base) base) Mean Wt. % of sodium Me och1 trite or sodium 6 hypochlorite , When light is no longer absorbed, the material appears whiter. Experimentally, we will use two oxidation-reduction reactions to determine the oxidizing capacity of a bleach sample. First, an excess of potassium iodide (KID) is added to a solution containing the bleach sample. The CIO ion in the bleach will oxidize the iodide ion to iodine according to the following reaction: Equation

Explanation / Answer

Cl2+2NaOH--->NaCl+H20+NaOCl

1      2         1       1             1    mole ratio

71    80        58.5     18      74.5      weight ratio

From weight ration , For getting 74.5 grams NaClO (sodium hypochlorite) we need 71 g of Cl2

For   "                                         1 "                                                                      71/74.5

                     "                4.62*100/w    "                                                               (71/74.5) * 4.62*100/w

                       where w is total weight from NaClO + mixture

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