Q.

Boron carbide, B4C, is made by the high temperature reaction of boron oxide with graphite, yielding carbon monoxide as a by-product.

B2O3+_C_B4C+CO

What is the total of the smallest coefficients for the reactants and products in the balanced equation?

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a

16

b

10

c

15

d

9

answer is D.

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Detailed Solution

The balanced equation is

2B2O3+7CB4C+6CO

the total of the smallest coefficients for the reactants and products in the balanced equation is 2+7+1+6=16

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