Calculating Atomic Mass Using Isotopes

[MsBlubear1]

Have you posted a harder one yet? Like one where you aren't given the mass and you have to figure out the mass using only the percentage? Pleasssssssse!

[xaxjx88]

Thank you. You will be my chemistry teacher.

[U83r133754uc3]

Thank you......that is all

[lookiss3]

This made a lot of sense and helped me a ton, I wish my teacher talked this slowly and precisely ;(