Question

Mass of $0.1\, mole$ of methane is

• A. $1 \,g$
• B. $16\, g$
• C. $1.6\, g$
• D. $0.1\, g$

Answer 1

Answer: (C)

$1.6\, g$

Answer 2

Mass of one mole of methane $(CH_4 ) = 16 g$ Mass of $0.1$ mole of methane = $16 \times 0.1 \;g = 1.6 \; g.$