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Molarity / Dilutions

Authored by Celena Alvarado

Chemistry

10th Grade

Used 1+ times

Molarity / Dilutions
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many moles of NaCl are present in a solution with a molarity of 8.59M and 125 mL of solution?

1.17 gram

62.7 mol
1.07 mol
62.7 grams

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the molarity of 4 grams of KNO3 in 3.8 L of solution?

0.01 M

0.02 M

1.05 M

1.08 M

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the molarity of 3 mole of hydrochloric acid in 3 L of water. 

3
1
6
9

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If I have 340 mL of a 0.5 M NaBr solution, what will the concentration be if I add 560 mL more water to it?

.188 M

3.78 M

.389 M

1.76 M

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

How many mL of 10.8M HCl are required to make 100.0 mL of 3.00M acid?

27.8 mL

.278 mL

2.8 mL

278 mL

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

If 2.5 L of a 4M solution of FeCl3 is diluted to a volume of 6 L by the addition of water, what is the molarity of the diluted solution?

2.5 M

4.17 M

6.25 M

1.67 M

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

1.     If a chemist starts with 25 mL  of 6M HCl and prepares a new solution with a concentration of 0.5M, what with be the new volume?

200 mL

500 mL

300 mL

400 mL

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