In the product 6O2, what does the coefficient mean? there are 12 molecules of O2,
there are 8 molecules of O2,
there are 6 molecules of O2,
there are 2 molecules of O2,

There are 6 molecules of O2.

Explanation:

because I said so

map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. for example, on a 1: 100000 scale map, 1cm on the map equals 1km on the ground.

this is a good question! i'll do some research and come back when i have the answer!