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Molarity & Dilution Review

Authored by Chad Schmeckpeper

Chemistry

10th Grade

NGSS covered

Used 3+ times

Molarity & Dilution Review
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

How many L are required to make 3.5 M hydrochloric acid using 1.1 moles? 

3.2 L

0.31 L

3.9 L

4.6 L

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If you have 0.045 L of 0.465 M potassium bromide. How many moles of potassium bromide are present?

21 mol

0.021 mol

1.0 mol

10. mol

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Calculate the molarity of the following solution:  1.0 mole of KCl in 750.0 mL of solution.

0.75 M

99 M
1.3 M
2.0 M

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the molarity of 4.0 g of NaCl (molar mass NaCl = 58.45 g/mol) in 3,800 mL of solution?

0.018 M
0.0011 M

1.1 M

0.062 M

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many grams of solute are dissolved in 125.0 mL of 5.00 M NaCl (molar mass NaCl = 58.45g/mol)?

0.625 g NaCl
625 g NaCl
36.5 g NaCl

0.0400 mol NaCl

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the molarity of 186.55 g of sucrose, C12H22O11 (molar mass C12H22O11 = 342g/mol) in 250. mL of water.

2.18 M
0.746 M
1.18 M
0.545 M

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Concentrated H2SO4 is 18.0 M. What volume is needed to make 2.00 L of 1.00 M solution?

[Don't forget sig figs & the label!!]

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