In a reaction, 14.5 g of magnesium reacts with 14.5 g of sulfuric acid. Identify the limiting reactant and calculate the mass of hydrogen gas produced.

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You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

How many atoms are there in 5.70 mol of mg

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.