Molarity , Molality , Mole fraction
Authored by Sumathi Raja
Chemistry
11th Grade
NGSS covered
Used 343+ times
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15 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
1 min • 1 pt
molality is defined as ________________________
the moles of solute per kilogram of solvent
moles of solute per liter of solution
mass of solute/ mass of solution
mass of solute/ mass of solvent X 100
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
True or False? The higher the concentration of a solution the less solutes it has in it.
Tags
NGSS.HS-PS1-5
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Molarity is measured in _____.
moles per g.
mols per L.
moles per mm.
moles per mL.
Tags
NGSS.HS-PS1-5
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the mass of 0.75 moles of (NH4)3PO4?
Tags
NGSS.HS-PS1-7
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