
DHT8 Molarity Quiz
Authored by Shaikh Ameerul Hakim Shaikh Ashraf
Chemistry
12th Grade
Used 3+ times

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6 questions
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1.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Your friend made you a hot drink of Nescafe 3 in 1 (coffee, milk powder, sugar). Which of the following is the solute?
Coffee
Hot water
Milk Powder
Sugar
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the definition of molarity?
Mass of solute dissolved per unit volume
Number of moles of solute dissolved per unit volume
Mass of solute per mass of solvent
Moles of solute per mass of solvent
3.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
What is the unit for molarity?
M
mol L-1
mol dm-3
g L-1
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the formula for molarity?
Molarity = Mass of solute / Volume of solution
Molarity = Mass of solute / Mass of solvent
Molarity = Moles of solute / Volume of solution
Molarity = Moles of solute / Mass of solvent
5.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Calculate the molarity of 10.6 g of Na2CO3 in 100 mL solution. [MW = 106 gmol-1]
Molarity = 0.106 M
Molarity = 1.0 M
Molarity = 0.001 M
Molarity = 106 M
6.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Calculate the number of moles of SO32- ions in 0.5 M of Fe2(SO4)3. Given the volume of solution is 1.0 L.
2.0 mol
1.0 mol
0.5 mol
1.5 mol
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