Three grams of C-12 will posses how many atoms?

1 Answer
May 20, 2018

Approx. 1.5xx10^23 ""^12C*"atoms"

Explanation:

We (i) calculate the molar quantity....

"Moles of carbon"-=(3*g)/(12*g*mol^-1)=0.25*mol

And then (ii) multiply this molar quantity by the Avocado number....

0.25*molxx6.022xx10^23*mol^-1=??*"carbon atoms..."