how many moles of SiO2?
Each mole needs 3 moles of C.
similarly for the other parts. work with moles, then back to grams.
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?
2 answers
a) 14.6 g
B) 23.76 g
C) 38.54 g
B) 23.76 g
C) 38.54 g
1 answer