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Molarity, molality, and stoichiometry

Authored by Cynthia Yeo-ball

Chemistry

10th - 12th Grade

Used 4+ times

Molarity, molality, and stoichiometry
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14 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Molality (m) = moles of solute / _________________________.

kilogram of solvent

kiloliter of solvent

kilometer of solvent

ounces of solvent

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Molar mass of NaOH is ______________________

40 grams/mol

50 grams/mol

45 grams/mol

38 grams/nol

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the molality of a solution made by dissolving 2 moles of NaOH in 400 grams of water?

5 mol/kg. solvent

4 mol/kg solvent

3 mol/kg. solvent

2.5 moles /kg solvent

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Molarity is measured in _____.

moles per g.

mols per L.

moles per mm.

moles per mL.

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is a solvent?

The substance that does the dissolving in a solution.

The substance that is being dissolved in a solution.

The mixing of different substances.

The process in which neutral molecules lose or gain electrons.

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

1074 mol
0.069 mol
1.07 mol
62.7 mol

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What do molarity and molality have in common?

Both have "moles solute" in the numerator

Both have "kg solvent" in the denominator

Both have "L solution" in the denominator

Both have "moles solution" in the denominator

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