Solutions: % by Volume & Dilutions

Solutions: % by Volume & Dilutions

9th - 12th Grade

12 Qs

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Solutions: % by Volume & Dilutions

Solutions: % by Volume & Dilutions

Assessment

Quiz

Chemistry, Science

9th - 12th Grade

Medium

NGSS
HS-PS1-7

Standards-aligned

Created by

Jocelyn White

Used 1+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 mins • 2 pts

If a solution is made by taking 70. mL of ethanol and adding enough water to make 750 mL of solution, the percent volume is:

9.3%

10.%

0.093%

70%

2.

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

Which formula will you use for a problem looking for concentration by volume of isopropyl alcohol in a solution?

3.

MULTIPLE SELECT QUESTION

2 mins • 2 pts

Which describes a solvent? (Choose TWO correct answers)

The substance that does the dissolving in a solution.
The substance that is being dissolved in a solution.

The substance present in smaller amount in a solution

The substane present in larger amount in a solution

4.

MULTIPLE CHOICE QUESTION

10 mins • 2 pts

What volume of ethanol is needed to prepare a 25.0 mL aqueous solution that is 15% ethanol by volume?

375 ml

37.5 ml

3.75 ml

1.67 ml

167 mL

5.

MULTIPLE CHOICE QUESTION

10 mins • 2 pts

What is the concentration, in percent by volume, of 15.3 mL of solute in 2.65 L of solution?

0.58%
0.0058%
5.8%

580%

Answer explanation

Make sure your units are consistent before you start the solution calculation (both values in mL, or both values in L)

6.

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

When you dilute a solution, which of these values remains constant (the same)?

The concentration of the solution

The total amount of solute

The volume of the solution

The total amount of solvent

7.

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

As we dilute a solution...

The volume increases and the concentration increases

The volume decreases and the concentration increases

The volume increases and the concentration decreases

The volume decreases and the concentrations decreases

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