Aluminum and steel are very widely used because there are cost-efficient ways to produce liquid metal from their ores A. True B. False

Sorry i dont understand the question can you rephase it?

Ais your answer to this

The molar mass of a substance is defined as the mass of 1 mol of that substance, expressed in grams per mole, and is equal to the mass of 6.022 × 10 23 atoms, molecules, or formula units of that substance.

Answer the same molecular formula;