Unit 1A solutions and solubility

Question 1

what is solution?

Answer 1

solution is when one substance dissolve into a liquid

Question 2

what is a solute?

Answer 2

a substance that dissolves

Question 3

what is a solvent?

Answer 3

the liquid which the solute is dissolved

Question 4

what is a saturated solution?

Answer 4

is a solution that contains the maximum amount solute that is capable of being dissolved

Question 5

1 cm3 of water has a mass ____?
100 cm3 of water has a mass _____?

Answer 5

1 cm3 of water has a mass of 1g
100 cm3 of water has a mass of 100g

Question 6

what is the solubility in a solid?

Answer 6

the higher the temperature, the higher the solubility.

Question 7

what is the solubility in a gas?

Answer 7

the high the temperature, the lower the solubility. The higher the pressure, the higher the solubility.

Question 8

what is Independent variable ?

Answer 8

the variable that is altered during a scientific experiment

Question 9

what is a dependent variable?

Answer 9

the variable being tested or measured during a scientific experiment

Question 10

what is a controlled variable?

Answer 10

a variable that is kept the same during a scientific experiment