Solubility

Describe solubility:

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The solubility of most solids in water can be increased by

• increasing the solvent

• increasing temperature

• stirring slowly

• increasing the solute

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-PS1-5

NGSS.HS-PS3-4

When 20 grams of KNO₃ is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:

• supersaturated
• saturated
• unsaturated

Tags

NGSS.MS-PS1-4

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