Calculate the number of molecules of o2 produce by thrermal decomposition of 490g of kclo3

Adozen is 12, and your needing to calculate the weight of one medium egg, so i would do 21/12=1.75 per egg, and check your answer by doing 1.75 * 12= 21 : ) : ): ): ): ) i hoped i

It conforms what ever surface its in.

They are like other investigations? say there was a murder u have to do blood test and finger prints which run through a lab.