Solubility Curves

How many grams of K₂Cr₂O₇, are soluble in 100 g of water at 90 ºC?

• 85 grams

• 70 grams

• 40 grams

• 15 grams

Tags

NGSS.HS-PS1-5

Which substance is MOST soluble at 0 ºC?

• KI
• NaNO₃
• NaCl
• Ce₂(SO₄)₃

Tags

NGSS.HS-PS1-5

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

• NH₃
• NaNO₃
• KNO₃
• NaCl

Tags

NGSS.MS-PS1-4

How much KNO₃ solute is saturated at 40 degrees?

• 75

• 55

• 65

• 85

How much C₁₂H₂₂O₁₁ solute is saturated at 40 degrees?

• 240

• 220

• 230

• 250

How much Ce₂(SO₄)₃ solute is saturated at 80 degrees?

• 20

• 15

• 30

• 2

How much NaBr solute is saturated at 70 degrees?

• 110

• 120

• 130

• 140

At what temperature can you fully dissolve 140g of NaNO₃?

• 62

• 73

• 81

• You cannot determine this

At what temperature can you fully dissolve 120g of NaBr?

• 70

• 20

• 100

• You cannot determine this

What type of a solution is 60g NaNO₃ at 40ºC in 100g H₂O?

• Saturated

• Unsaturated

• Supersaturated