solutions and concentration

What is a solute?

• The substance that does the dissolving in a solution.
• The substance that is dissolved into the solution.
• The mixing of different substances.
• The process in which neutral molecules lose or gain electrons

When no more solute dissolves the solution is _________

• supersaturated

• unsaturated

• saturated

• supercalifragilisticexpialidocious

Which technique could increase or speed up the rate of dissolving?

• Allowing the mixture to settle
• Stirring the mixture
• Adding more powder
• Adding more water

Tags

NGSS.HS-PS1-5

What is a solvent

• the liquid in which a solute is dissolved to form a solution.
• Another word for solution
• A thing that make drinks turn colors
• Its a metal molecole

If 43.0 g of sodium chloride is dissolved in 500 g of Acetic acid, what is the percent by mass of NaCl?

• 7.90 %

• 8.60 %

• 11.6 %

• 92.1 %

If 248 ml of acetone is mixed with 562 ml of water, what is the percent by volume of acetone?

• 69.4 %

• 44.0 %

• 30.6 %

• 2.23 %

If 9.1 g of sucrose is dissolved in 100.0 ml of water, what is the percent by mass of sucrose?

• 9.10 %

• 10.9 %

• 8.34 %

• 91.6 %

What is the concentration of a solution in parts per million if 0.02 grams of NaCl is dissolved in 1000 grams of water?

• 2 ppm

• 20 ppm

• 200 pm

• 0.2 ppm

Two liquids that stay mixed together in any proportion are known as

• Insoluble

• Saturated

• Miscible

• Immiscible

What does it mean if a mixture is homogeneous?

• you can see the different parts
• cannot tell one part from another
• chunks of particles
• made of elements