What does this look like? can someone write out the stoichiometry starting with 50 grams of carbon (use balanced equation)

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.

it forms an anion that has a larger radius. anions have a negative charge and are larger than the original atom.