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  4. Which of the following has maximum number of C-atoms?

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Q. Which of the following has maximum number of $C$-atoms?

Some Basic Concepts of Chemistry

Solution:

(a) $4.4 \,g \,CO _2=\frac{4.4}{44} mol CO _2=0.1 \,mol \, CO _2$
$=0.1 \, mol C$
(b) $3.0 \, g \, C _2 H _6=\frac{3.0}{30} mol C _2 H _6=0.1 \,mol C _2 H _6$
$=0.2 \,mol C$
(c) $4.4 \,g \, C _3 H _8=\frac{4.4}{44} mol C _3 H _8=0.1 \,mol C _3 H _8$
$=0.3\, mol C$
(d) $1.3\, g\, C _6 H _6=\frac{1.3}{78} mol C _6 H _6=0.017 \,mol \,C _6 H _6$
$=0.1 \,mol\, C$