How many atoms are in 3.5 moles of arsenic atoms?

2 Answers
Mar 20, 2018

Answer:

See below
#2.1xx10^24 "atoms As"#

Explanation:

#3.5 cancel"mol As"* (6.02*10^23 "atoms As")/(1 cancel"mol As")=#

#2.1xx10^24 "atoms As"#

Mar 20, 2018

Answer:

#2.11 × 10^24\ "Arsenic atoms"#

Explanation:

#"1 mol of atoms" = 6.022 × 10^23\ "atoms"#

#3.5 cancel"mol" × (6.022 × 10^23\ "atoms")/(1 cancel"mol") = 2.11 × 10^24\ "atoms"#