Molar mass is the molecular (formula) mass of any substance expressed in which unit?

During trial 2, what allowed you to determine that aluminum was the limiting reactant? check all that apply. all of the copper dissolved. all of the aluminum dissolved. the solution turned clear. the number of grams of copper(ii) chloride used in the reaction was greater than the number of grams of aluminum. the molar ratio of copper(ii) chloride to aluminum was greater than 3: 2, the equation’s molar ratio.

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

How many grams of aluminum will there be in 98g of al2o3?