Consider the following balanced equation: SiO2(s)+3C(s)SiC(s)+2CO(g) Complete th

Question

Consider the following balanced equation: SiO2(s)+3C(s)SiC(s)+2CO(g) Complete the following table showing the appropriate number of moles of reactants and products. If the number of moles of a reactant is provided, fill in the required amount of the other reactant, as well as the moles of each product formed. If the number of moles of a product is provided, fill in the required amount of each reactant to make that amount of product, as well as the amount of the other product that is made. Mol SiO2 Mol C Mol SiC Mol CO 2 _____ _____ _____ _____ 9 _____ _____ _____ _____ _____ 14 1.3 _____ _____ _____ _____ 2.15 _____ _____

Explanation / Answer

Filling the data table

1 mole of SiO2 reacts with 3 mols of C to form 1 mole of SiC and 2 moles of CO

With, moles of SiO2 = 2 mol

grams of C required = 2 x 3 x 12 = 72 g

mols of SiC formed = 2 mols

moles of CO formed = 2 x 2 = 4 mols

with, moles of C = 9 mol

grams of SiO2 required = 9 x 60.08/3 = 180.24 g

mols of SiC formed = 9/3 = 3 mols

mols of CO formed = 9 x 2/3 = 6 mols

with mols of CO = 14 mols

grams of SiO2 required = 14 x 60.08/2 = 420.56 g

grams of C requried = 14 x 3 x 12/2 = 252 g

mols of SiC formed = 14/2 = 7 mols

with mols of SiO2 = 1.3 mols

grams of C required = 1.3 x 3 x 12 = 46.8 g

mols of SiC formed = 1.3 mols

moles of CO formed = 1.3 x 2 = 2.6 mols

when moles of SiC = 2.15 mol

grams of SiO2 = 2.15 x 60.08 = 129.17 g

grams of C = 3 x 2.15 x 12 = 77.4 g

grams of CO formed = 2.15 x 28/2 = 30.1 g

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