Solutions and stuff

The substance which dissolved in the solvent

• Dissolve

• Solubility

• Solvent

• Solute

To dissolve something faster....

• put it in a cabinet.

• cool down the liquid.

• heat up the liquid.

• keep it the same temperature.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

To dissolve something faster....

• add more solute.

• stir it up.

• let it sit.

• look at it.

Tags

NGSS.MS-PS1-2

To dissolve something faster....

• break the solute down into a fine powder before adding it to the liquid.

• find big chunks/pieces and put those in first.

• cover it.

• do the hokeypokey.

Tags

NGSS.MS-PS1-2

The solution that we made for the borax crystals was an example of a ___________.

• saturated solution

• unsaturated solution

• supersaturated solution

• subsaturated solution

If a point is on the line, then the solution is said to be _______________.

• unsaturated

• saturated

• supersaturated

If a point is under the line, then the solution is said to be _______________.

• unsaturated

• saturated

• supersaturated

Tags

NGSS.MS-PS1-2

If a point is over the line, then the solution is said to be _______________.

• unsaturated

• saturated

• supersaturated

When ionic compounds dissolve....

• the molecules separate but the atoms do not.

• the atoms separate completely

Tags

NGSS.MS-PS1-2

How many grams of K₂Cr₂O₇, are soluble in 100 g of water at 95 ºC?

• 83 grams

• 75 grams

• 40 grams

• 12 grams

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4