If the molar mass of a substance is 67.2 g/mol, what is the mass of 8.0 mol of the substance

How does a large body of water, such as the ocean, influence climate?

Asolution is made by dissolving 2.3 moles of sodium chloride (nacl) in 0.155 kilograms of water. if the molal boiling point constant for water (kb) is 0.51 °c/m, what would be the boiling point of this solution? show all the steps taken to solve this problem.

Is hydrogen gas a reactant or product