Three solutions are made with the same solid material (see chart above) and the same amount of water. Which solution is the least concentrated?

A student makes two citric acid solutions, P and Q. He puts 60 mL of water in each cup. He puts 10 spoons of citric acid in cup P and 12 spoons in cup Q. Both solutions are saturated.Which picture below shows what the balance would look like if the student filtered the solutions, then put 50 mL of each in the cups on the balance?

A student adds 5 spoons of solid to 100 mL of water. The solution is clear, with nothing on the bottom of the cup. One spoon of the solid has a mass of 8 g. What is the mass of the solution?

A student mixes a colorless liquid and a blue solid. When all of the solid dissolves, the solution is blue. Ten minutes later, a solid settles on the bottom of the cup. What is the best evidence that a chemical reaction occurred?

A student adds 5 spoons of solid to 100 mL of water. The solution is clear, with nothing on the bottom of the cup. One spoon of the solid has a mass of 8 g. After the water evaporates, what is the mass of the solid remaining in the cup?

Three solutions are made with the same solid material (see chart above) and the same amount of water. Which solution is the most concentrated?

Solution M and Solution N are both made with water and the same solid. You measure equal amounts into two separate cups and weigh each solution. Which solution is more concentrated?

Students mix baking soda and white vinegar. The mixture begins to bubble, and later there is a clear liquid left in the cup. Which of the following describes the bubbles?

The two cups on the balance each contain 50 mL of different solutions made with the same materials. (Notice that the balance is not level.) Cup A contains a solution made by mixing 2 spoons of solid in 100 mL of water.Which solution listed below must be in Cup B? (Mark the one best answer.)

Which of the following is a chemical reaction?

Sand and gravel may be separated from each other by using..

Solution M and Solution N are both made with water and the same solid. You measure equal amounts into two separate cups and weigh each solution. Which solution is more dense?

When salt dissolves in water the only way to get the salt out is by_________.

When Kool-Aid mix is light colored and tastes watery it is a _______ solution.

A combination of 2 or more substances that can be easily separated is called-

If I added 48 grams of salt to water and separated the solution with a hot plate, what amount of salt would be left behind?

If you spilled nails in a sandbox, what separation tool/method could you use to clean out the sandbox so it would be safe for children to play in?

All solutions are mixtures, but not all mixtures are solutions.

When one solution has more solute than another solution, it is said to be more _____.

A student collects seashells at the beach. Ms. Deering will not allow the student to take any sand on the bus. If the student wishes to take the seashells home he must separate the seashells from the sand. Which of the following would be most helpful when trying to separate the sand from the sea shells?