Answers

2016-01-16T23:37:03+05:30
CO2 means 1 molecule of carbon dioxide n 2CO2 means 2 molecule....
1 5 1
it is not molecule it is compound
2016-01-16T23:37:50+05:30
Co2 means 1molecule of carbondioxide 2Co2 means 2 molecules of carbondioxide
1 5 1