Convert 7.2 × 10^23 molecules of co2 to moles (round to the nearest tenth).
unit?

7.2 * 10^23 molecules CO2           1 mole CO2

                                                 x  

                                                      6.02* 10^23 molecules CO2

=1.196

=1.2 moles of CO2

a:

by the combination of an unlimited number of elements

here are some of the ways in which chemical and nuclear reactions differ.

explanation: