1.An orange is weighed and its mass is 200 grams. Then, the peeling is removed, and both the peeling and the orange are weighed. What is the total mass of the orange and peeling after the orange has been peeled? 2.The law of Conservation of matter states that matter cannot be or .

3.Addie mixes together a solution of 10 grams of salt and 15 mL of hot water. What is the total mass of the solution?
4.Witney is making sweet tea. She adds 15 grams of sugar to the 100 mL of tea. Once the sugar dissolves, what is the mass of the sugar?
5.The mass of a piece of paper is 1 gram. The paper is ripped up and weighed again. What is the total mass of the ripped up paper?