​I need help with questions in chemistry lab

I need help with these questions in chemistry lab

1) If you had not dried the solid, would the calculated percent yield have been higher, lower, or unchanged? Explain

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Boron trichloride is prepared

the following reaction. 2B2O3 + 6Cl2 + 3C –> 4BCl3 + 3CO2 . If 3.456g of B2O3 is mixed with 9.9216g of Cl2 and 2.459g of C then answer the following questions


2a) What is the theoretical yield of boron trichloride in grams


2b) How much of each of the excess reagents would remain once the reaction is complete? (

in grams


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