Question
1. Silicon dioxide reacts with carbon upon heating to produce silicon carbide (SiC) and carbon monoxide.
SiO2(s) + 3C(s) = SiC(s) + 2CO(g)
a. What mass of carbon is required to react completely with 15.70 g of SiO2?
b. When 152 g of SiO2 reacts with excess carbon, what mass of SiC is produced?
c. If 42.2 g of CO were produced by this reaction, what mass of carbon must have reacted?
SiO2(s) + 3C(s) = SiC(s) + 2CO(g)
a. What mass of carbon is required to react completely with 15.70 g of SiO2?
b. When 152 g of SiO2 reacts with excess carbon, what mass of SiC is produced?
c. If 42.2 g of CO were produced by this reaction, what mass of carbon must have reacted?
Answers
how many moles of SiO2?
Each mole needs 3 moles of C.
similarly for the other parts. work with moles, then back to grams.
Each mole needs 3 moles of C.
similarly for the other parts. work with moles, then back to grams.
a) 14.6 g
B) 23.76 g
C) 38.54 g
B) 23.76 g
C) 38.54 g
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