23 grams of Acetaminophen is equal to how many moles?

Calcium chloride +gold(1) oxide—>

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

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure