Please help :( or at least tell me how to find it out

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

Correct relationship between molecular formula and empirical formula

What is the vapor pressure of a solution with a benzene to octane?