chemistry

Hello! I must admit that I was never good at chemistry so my answer is not the most reliable one. However, the question posted here seems to be pretty simple so I try to answer it. The mass is 0.0012 g, if I am not mistaken.

one mole represents the number of carbon atoms in exactly 12 grams of carbon 12 isotope.

[input]3.4*12g[/input]