Solubility Curve

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

Which substance is MOST soluble at 0 ºC?

• KI
• NaNO₃
• NaCl
• Ce₂(SO₄)₃

Tags

NGSS.HS-PS1-5

How does a solution become supersaturated?

• dissolve lots of solvent in it.

• dissolve a little solute in it.

• being saturated and having undissolved solute left over. Then heating and cooling the solution.

• dissolve a super amount of solvent in it.

When 42 grams of potassium chloride, is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as:

• supersaturated
• saturated
• unsaturated

Tags

NGSS.MS-PS1-4