Measures of Concentration: Molarity

Question 1

3. What happened to the color of the solution as you added more of the ionic compound?

Revolt · Accepted Answer

It got darker.

Question 2

A science teacher adds water to a strong acid for use in the lab with students. This makes the concentration , because the amount

Revolt · Accepted Answer

weaker

Question 3

Which setup is correct for finding moles?

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3210-06-09-10-08-task/mc001-2.jpg

Question 4

A chemist wants a 0.100 M solution of NaOH. She has 0.0550 mol NaOH available. What volume of solution is needed to make the mixture?

Revolt · Accepted Answer

0.550 L

Question 5

Which equation should you use to find the final concentration?

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3210-06-09-10-19-task/mc001-1.jpg

Question 6

A chemist wants a 0.100 M solution of NaOH. She has 0.0550 mol NaOH available. What volume of solution is needed to make the mixture?

Revolt · Accepted Answer

0.550 L

Question 7

A science teacher adds water to a strong acid for use in the lab with students. This makes the concentration , because the amount

Revolt · Accepted Answer

weaker

Question 8

of solute per volume of solvent

Revolt · Accepted Answer

decreases.

Question 9

Which statement best explains how the solution should be made?

Revolt · Accepted Answer

Add 1.5 mL of 4.00 M H2SO4 to 10.5 mL of water to get 12 mL of 0.50 M H2SO4.

Question 10

of solute per volume of solvent

Revolt · Accepted Answer

decreases.

Measures of Concentration: Molarity Answers