What is true about 1.0 mol W and 1.0 mol He? O a
Oь
Ос
A. They are equal in mass.
B. They contain the same number of atoms.
C. Their molar masses are equal.
D. They have the same atomic mass.

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.