The weight of a molecule of the compound C60H122 is

The weight of a molecule of the compound $C_{60} H_{122}$ is

A
$1 .4 \times 10^{- 21} g$
B
$1 .09 \times 10^{- 21} g$
C
$5 .025 \times 10^{23} g$
D
$16 .023 \times 10^{23} g$

Solution:

$\begin{array}{l} Molecular weight of C_{60} H_{122} = 12 \times 60 + 122 \times 1 \\ = 720 + 122 = 842 \\ ∵ 6 \times 10^{23} molecules of C_{60} H_{122} has mass = 842 g \\ ∴ 1 molecule of C_{60} H_{122} has mass \frac{842}{6 \times 10^{23}} \\ = 140 .333 \times 10^{- 23} g \\ = 1 .4 \times 10^{- 21} g . \end{array}$

Related content

Happy World Laughter Day (May 4th, 2025)

75 Powerful Labour Day Quotes & Wishes to Inspire Hard Work and Dedication

Cloze Test in English Grammar: Best Tips, Rules, and Practice Questions

World Intellectual Property Day – April 26, 2025

Summer Season Fruits Name List in English for Kids & Students

Zodiac Signs – Hindi, Tamil, Telugu, Marathi & Kannada

Lazy Opposite Word in English Grammar | Antonyms of Lazy

Fat Opposite Word in English Grammar | Antonyms of FAT

Difference between Immigration and Emigration With Examples

77 Best Earth Day Quotes for Students and Kids