Question

How many moles are there in 100 g of copper oxide, `CuO`?

Answer 1

`100*g " cupric oxide"` constitutes a bit over `1*mol`.

Explanation:

`"Number of moles"` `=` `"Mass"/"Molar mass"` `=`

`(100*cancelg)/(79.95 *cancelg*mol^-1)` `=` `??mol`.