​I need help with questions in chemistry lab

/in /by

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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2)
Boron trichloride is prepared

from
 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? (

report
 in grams

)

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