Solubility & pH

Which substance is MOST soluble at 20 degrees Celsius?

• KNO₃

• HCl

• NaNO₃

• KI

At what temperature do KNO₃ and NaCl have the same solubility?

• 77 degrees Celsius

• 0 degrees Celsius

• 23 degrees Celsius

• 100 degrees Celsius

Tags

NGSS.HS-PS3-4

What is the solubility of KNO₃ at 50 degrees Celsius?

• 36 g/100 g water

• 58 g/ 100 g water

• 100 g / 100 g water

• 84 g/ 100 g water

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

At what temperature is NaNO₃ 100g/100g of water?

• 40 degrees Celsius

• 45 degrees Celsius

• 60 degrees Celsius

A measure of how much solute can be dissolved in a given amount of solvent under a certain condition is called

• Polarity

• Molarity

• Strength

• Solubility

Tags

NGSS.HS-PS1-5

At what temp is the solubility of Glucose 120g/100 mL water?

• 15 degrees Celsius

• 40 degrees Celsius

• 30 degrees Celsius

Based on solubility, which substance on the graph is most likely gas?

• KBr

• Glucose

• Ce₂(SO₄)₃

Which substance is MOST soluble at 30 degrees Celsius?

• CH₃CO₂Na

• NaCl

• Glucose

Different substances have ___________ solubility curves.

• Different

• The same

Rainwater can have a pH as low as 3, meaning that rainwater can be very

• acidic

• neutral

• basic

Tags

NGSS.HS-ESS2-5