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phosphorus trichloride can be prepared by the followin reactin 2P+3Cl2->2PCl3. i

ID: 909114 • Letter: P

Question

phosphorus trichloride can be prepared by the followin reactin 2P+3Cl2->2PCl3. if you begin with 26.3 grams of phosphorus p and 51.8 grams of chlorine what is the limiting reagent How many grams of PCl3 will be formed? How many grams of the excess reagent will be left? phosphorus trichloride can be prepared by the followin reactin 2P+3Cl2->2PCl3. if you begin with 26.3 grams of phosphorus p and 51.8 grams of chlorine what is the limiting reagent How many grams of PCl3 will be formed? How many grams of the excess reagent will be left? phosphorus trichloride can be prepared by the followin reactin 2P+3Cl2->2PCl3. if you begin with 26.3 grams of phosphorus p and 51.8 grams of chlorine what is the limiting reagent How many grams of PCl3 will be formed? How many grams of the excess reagent will be left?

Explanation / Answer

                                                    2P                +             3 Cl2 ---------------> 2PCl3

General                         2*30.97=61.95g                  3*71=213g                                    2*137.32=274.64g

Given initial                             26.3g                               51.8g                                            0g

After reaction                        11.2342g                  0g(limiting reagent)                   66.79g

61.95g phosphorous requires 213g of Cl2 for complete reaction

26.3g phosphorous requires 26.3*213/61.95 = 90.426g of Chlorine for complete reaction

in this case phosphorous is in excess , so Chlorine is limiting reagent.

213g Cl2 requires 61.95g P

51.8g Cl2 requires 61.95*51.8/213=15.065g of P

Excess P = 26.3 - 15.065 = 11.2342g

213g Cl2 can form 274.64g PCl3

51.8g can form 274.64*51.8/213=66.79g PCl3