Worksheetsmole Quiz
Total questions: 23
Worksheet time: 20mins
Sophia, Maya, and Lily are working on a science project about greenhouse gases. They need to calculate the mass of one mole of CO₂, a common greenhouse gas. Can you help them figure it out?
12 g
32 g
28 g
44 g
Samuel, Harper, and Olivia are conducting a science experiment. They have 99 g of H₂O. Can you help them figure out how many moles this amount of H₂O represents?
1.5 moles
2 moles
3 moles
4 moles
During a science experiment, Daniel and Kai combined 0.250 moles of N₂. David, their classmate, was curious about the mass of N₂ they used. Can you help David find out the mass of 0.250 moles of N₂ used by Daniel and Kai?
14 g
28 g
32 g
56 g
Ethan, Elijah, and David are working on a chemistry project. They have 1.2 kg of Mg. How many moles of Mg do they have for their project?
0.5 moles
0.2 moles
0.1 moles
0.05 moles
Mason, Luna, and Liam are working on a chemistry project where they need to calculate the relative formula mass (M₁) of various substances. They are currently stuck on potassium sulfate. Can you help them figure it out?
212 g/mol
174 g/mol
136 g/mol
98 g/mol
Calculate the mass in grams of one atom of ³¹P. Give your answer in standard form to 3 significant figures.
1.34 x 10⁻²⁴ g
6.68 x 10⁻²⁴ g
3.34 x 10⁻²⁴ g
1.67 x 10⁻²⁴ g
Calculate the relative formula mass (Mr) of each of the following substances: sodium oxide
58 g/mol
40 g/mol
76 g/mol
22 g/mol
What mass of iron is formed when 240 g of iron(III) oxide reacts with carbon monoxide?
160 g
180 g
220 g
200 g
How many moles in each of the following? 12 mg of magnesium
2 moles
0.5 moles
3 moles
1 moles
What is the mass of each of the following? 0.100 moles of calcium hydroxide
16 g
12 g
8 g
4 g
rank the following gas with the increase of volume
5 mol H2
3 mol N2
1 mol NO2
1 mol SO2
3 mol O2
CO2
O2
H2
CH4
NO2
SO2
Iron
Gold
Silver
Diamond
Platinum
Graphite
water
bromine water
ammonia water
In a chemistry class, Lily and Benjamin were discussing about molar mass. Lily said that molar mass refers to the (a) of 1 (b) of a substance. Is Lily correct?
mol
mass
amount
Evelyn, Nora, and Luna are in a chemistry class. Their teacher asked them to define the term that Mr. Dalton often uses: _______ _______ _______
(a)
which is the limiting reactant in the following reaction:
when 4.8 g of magnesium is reacted with 4.5 g of steam (H2O).
Mg + H2O → MgO + H2
Mg
H2O
MgO
H2
Arjun was working on a chemistry experiment where he had to calculate the percentage yield. He learned that percentage yield refers to the (a) yield divided by (b) yield. Maya and Abigail were curious to know what these terms meant.
actual
theoretical
In a chemistry class, Abigail learned that the molar gas volume refers to the (a) of (b) (c) gas. She remembered that the volume of 1 mol gas is (d)
volume
any
1 mol
24L
22.4L
the simplest formula of a compound is called
(a)
the formula shows the actual number of atoms is called
(a)
relative atomic mass is the mass of atom compared to the standard atom of
(a)
the unit of molar concentration:
g/mol
g/dm3
mol/dm3
mol/m3
what is the molar concentration when 98 g H2SO4 dissolved in 100ml water
what is the equation between mole and molar concentration
n=m/Mr
n=C*V
n=C/V
n=C*Mr
n=C*24
