Kristen A.

asked • 05/28/21

Phosphorus is combined with chlorine gas to produce gaseous phosphorus pentachloride....

P4(s) + 10Cl2(g) -> 4PCl5(g)


15.65 grams P4 and excess Cl2 can be expected to produce ______________ grams PCl5.?


This reaction will use up _____________grams Cl2 gas.


Prompt assistance is appreciated. Thanks.

1 Expert Answer

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Sidney P. answered • 05/28/21

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(15.65g P4) * (1 mole P4 /123.90g P4) = 0.12632 mole of P4.

(0.12632 mole P4) * (4 mole PCl5 /1 mole P4) * (208.22g PCl5 /1 mole PCl5) = 105.2 grams of PCl5 produced.

(0.12632 mole of P4) * (10 mole Cl2 /1 mole P4) * (70.90g Cl2 /1 mole Cl2) = 89.56 grams of Cl2 consumed.

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