Question #0ece0

1 Answer
Dec 12, 2017

Glucose => C_6H_12O_6

Number of hydrogen atoms = 7.22656908 xx 10^24

Explanation:

First, calculate the number of moles.

"Moles" = "grams/molecular mass"

=(180 g)/180_(g/(mol) -> grams cancel out

= 1 mol

There are 12 hydrogen atoms in glucose, and to find the number of atoms you need to use Avogandro's Number (6.0221409 xx 10^23)

Total no. of hydrogen atoms = ("no. of hydrogen atoms") * ("no. of moles") * (6.0221409 xx 10^23)

= (12) * (1) * (6.0221409 xx 10^23)

= 7.22656908 xx 10^24