Solubility curve

The most soluble substance at 40 degrees Celcius is

Tags

NGSS.HS-PS1-5

How much KCl will dissolve at 80 degrees Celcius?

• 52 g

• 50 g

• 40 g

• 60 g

Tags

NGSS.HS-PS3-4

At what temperature will NaCl dissolve 40 g?

Tags

NGSS.HS-PS3-4

Tags

NGSS.HS-PS1-5

NGSS.HS-PS3-4

The least soluble substance at 10 degrees Celcius is

Tags

NGSS.HS-PS1-5

At approximately what temperature does the solubility of sodium chloride, NaCl, match the solubility of potassium dichromate, K₂Cr₂O₇?

• 60 ºC

• 30 ºC

• 50 ºC

• 83 ºC

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.HS-PS3-4

25 grams of NaCl are dissolved in 100 mL of water at 60 C. How many more grams need to be dissolved for the solution to be saturated?

• 13 grams

• 25 grams

• 6 grams

• 38 grams

Tags

NGSS.MS-PS1-2

Which of these solutes does not increase in solubility as temperature rises?

• NH₃
• NaNO₃
• KNO₃
• NaCl

When 20 grams of potassium chlorate, KClO₃, is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:

• supersaturated
• saturated
• unsaturated