False
because carbon is very important in organic chemistry, u need to study that
Answer:

Explanation:
1. Calculate the moles of CoF₂ needed

2. Calculate the mass of CoF₂

Answer:
The motion of the gas particles is random and in a straight-line. A sample of gas is contained in a closed rigid cylinder.
I hope this helps you if not soo advance sorry :)
Machines that are fairly simple and make working easier
The given compound is 
Each formula unit of
has 2 mol Potassium (K) atoms, 2 mol Chromium (Cr) atoms and 7 mol Oxygen (O) atoms.
Atomic weight of potassium is 39.0983 amu
Atomic weight of Chromium is 51.9961 amu
Atomic weight of Oxygen is 15.9994 amu.
Therefore the formula weight of 

= 294.1846 amu