Calculate the mass of 1.05x10^26 atoms of neon. ? please show steps

1 Answer
Junaid Mirza
May 26, 2018

#"3488 g"#

Explanation:

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

#1.05 × 10^26# atoms is equal to

#1.05 × 10^26 cancel"atoms" × "1 mol"/(6.02 × 10^23\ cancel"atoms") = "174.4 mol"#

Molar mass of neon is #"20 g/mol"#

Mass of #"174.4 mol"# atoms of neon is

#174.4 cancel"mol" × 20 "g"/cancel"mol" = "3488 g"#

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