Explain what the object is doing between reference point B-C.

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

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

Is 9 correct? and can someone me with 10? it’s due tomorrow, you