pH and Factors that Effect Solubility

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.HS-PS1-5

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

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

Which of the following is a BASIC solution?

• ammonia

• vinegar

• pure water

Which solution is the most Acidic?

• apple juice pH=3

• hand soap pH=10

• coffee pH=5

What happens to the pH of the acid in your stomach when you take an antacid?

• pH increases

• pH decreases

• pH stats the same

Acids taste

• sour

• bitter