(A) In Practice Example 4 11A, which reactant is in excess and what mass of that reactant remains after the reaction to produce PCl 3 (B) If 12 2 g H 2 and 154 g O 2 are allowed to react, which gas and what mass of that gas remains after the reaction 2 H 2 (g) O 2 (g) 2 H 2 O(l) Practice Ex 4 11(A) If 215 g P 4 is allowed to react with 725 g Cl 2 in the reaction in Example 4 11, how many grams of PCl 3 are formed Example 4 11 Phosphorus trichloride, PCl 3 is a commercially important compound used in the manufacture of pesticides, gasoline additives, and a number of other products A ball and stick model of PCl 3 is shown below Liquid PCl 3 is made by the direct combination of phosphorus and chlorine What is the maximum mass of PCl 3 that can be obtained from 125 g P 4 and 323 g Cl 2 Cl2(g) 4 PC13(1) P4(s) 6 Cl2(g)

Question: (A) In Practice Example 4-11A, which reactant is in excess and what mass of that reactant remains after the reaction to produce PCl 3 ?

(A) In Practice Example 4-11A, which reactant is in excess and what mass of that reactant remains after the reaction to produce PCl₃?

(B) If 12.2 g H₂ and 154 g O₂ are allowed to react, which gas and what mass of that gas remains after the reaction?

2 H₂(g) + O₂(g) → 2 H₂O(l)

Practice Ex. 4-11(A)

If 215 g P₄ is allowed to react with 725 g Cl₂ in the reaction in Example 4-11, how many grams of PCl₃ are formed?

Example 4-11

Phosphorus trichloride, PCl₃ is a commercially important compound used in the manufacture of pesticides, gasoline additives, and a number of other products. A ball-and-stick model of PCl₃ is shown below. Liquid PCl₃ is made by the direct combination of phosphorus and chlorine.

What is the maximum mass of PCl₃ that can be obtained from 125 g P₄ and 323 g Cl₂?

Phosphorus trichloride

Cl2(g) 4 PC13(1) P4(s) + 6 Cl2(g)

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