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Problem: A mixture of 21.2 g of P and 79.2 g of Cl2 reacts completely to form PCl3 and PCl5 as the only products.Find the mass of PCl3 that forms.

🤓 Based on our data, we think this question is relevant for Professor Porter's class at IUPUI.

FREE Expert Solution

We’re being asked to calculate the mass of PCl3 that will be formed in the reaction. 


For this problem, we need to do the following steps:

Step 1: Write and balance a chemical equation for the given reaction.

Step 2: Determine the limiting reactant and calculate the mass of PCl3 formed.



Step 1: From the problem, the given chemical reaction is:

P + Cl2 → PCl3 + PCl5


This equation is not yet balanced. To balance it, we have to make sure that the number of elements on both sides is equal.

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Problem Details

A mixture of 21.2 g of P and 79.2 g of Cl2 reacts completely to form PCl3 and PCl5 as the only products.

Find the mass of PCl3 that forms.