How do you calculate the percentage composition of Carbon in #C_2H_6#?
1 Answer
Mar 10, 2016
It really is just asking you what a percent is, and you know that it is just a ratio of
The molar mass of
So, knowing that
#(2xx"12.011 g/mol C")/("30.0694 g/mol C"_2"H"_6)xx100%#
#= ("24.022 g/mol C"_2)/("30.0694 g/mol C"_2"H"_6)xx100%#
#= color(blue)(79.89% "C in C"_2"H"_6)#
CHALLENGE: What is the percent composition of