Metallic copper is formed when aluminum reacts with copper (II) sulfate. How many grams of excess reactant would be left over if 54.0 g of Al reacts with 319 g of CuSO4?

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean