Pls I need answers to these questions , I need to understand them​

Miner's coal distributors does not mine coal itself, nor does it even store or handle the coal. instead, miner's solicits orders for low sulfur coal from other firms, then purchases the required amount from suppliers and directs them to ship the coal to its customers. what is miner's

Find the mass, in grams, of 5.00*10^23 molecules of f2

What is the most common form of matter in the universe