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WorksheetsMole Quiz
Total questions: 145
Worksheet time: 12hrs 5mins
(beware!)
(beware!)
Calculate the molar mass of Ba(C2H3O2)2
255.3 g/mol
237.3 g/mol
228.3 g/mol
196.3 g/mol
Calculate the molar mass for Al(OH)3
78.0 g/mol
72 g/mol
28 g/mol
25 g/mol
Calculate the molar mass of NH4NO2
50 g/mol
60 g/mol
64 g/mol
78 g/mol
What is the mass of one mole of Helium?
4 g
2 g
8 g
There is no way to know
What is the Molar Mass of Potassium Sulfide?..... :-) You get to figure out the formula.
110.262 g/mol
71.164 g/mol
174.258 g/mol
158.259 g/mol
Calculate the molar mass of Ba(C2H3O2)2
255.3 g/mol
237.3 g/mol
228.3 g/mol
196.3 g/mol
Calculate the molar mass for Al(OH)3
78.0 g/mol
72 g/mol
28 g/mol
25 g/mol
Calculate the molar mass of NH4NO2
50 g/mol
60 g/mol
64 g/mol
78 g/mol
What is the molar mass of Cl2?
17 g/mol
35 g/mol
70 g/mol
89 g/mol
Calculate the molar mass of KOH.
28 g/mol
56 g/mol
84 g/mol
112 g/mol
Calculate the molar mass of water (H2O).
10 g/mol
17 g/mol
18 g/mol
34 g/mol
What id the molar mass of UF6?
101 g/mol
238 g/mol
257 g/mol
352 g/mol
Calculate the molar mass of Cu2O.
37 g/mol
45 g/mol
79.5 g/mol
143 g/mol
What is the molar mass of fluorine gas, F2?
18.998 g/mol
38 g/mol
9 g/mol
18 g/mol
Calculate the molar mass of NH4NO2
50 g/mol
60 g/mol
64 g/mol
78 g/mol
What is the Total Molar mass of CH4?
(a)
What is the Total Molar mass of C3H8?
(a)
What is the Total Molar mass of C6H8O6?
(a)
What is the Total Molar mass of NH3?
(a)
What is the Total Molar mass of CO2?
(a)
What is the Total Molar mass of SO2?
(a)
What is the Total Molar mass of NaCl?
(a)
What is the Total Molar mass of CaCl2?
(a)
What is the Total Molar mass of C6H12O6?
(a)
What is the Total Molar mass of HCl?
(a)
What is the Total Molar mass of Al2 (SO4)3 ?
(a)
What is the Total Molar mass of C14H18N20O5 ?
(a)
What is the molar mass of CO2?
12 g/mol
16 g/mol
32 g/mol
44 g/mol
Find the percentage composition of Mg in Mg3(PO4)2.
27.48% Mg
43.11% Mg
16.00% Mg
12.63% Mg
Calculate the molar mass of Ba(C2H3O2)2
255.3 g/mol
237.3 g/mol
228.3 g/mol
196.3 g/mol
Calculate the molar mass of Ba(C2H3O2)2
255.3 g/mol
237.3 g/mol
228.3 g/mol
196.3 g/mol
Find the percent composition of Cu2S?
Cu= 67.987%; S= 32.013%
Cu= 79.854%: S= 20.145%
Cu= 35.946%; S= 64.054%
Cu= 39.925%; S= 20.151%
What id the molar mass of UF6?
101 g/mol
238 g/mol
257 g/mol
352 g/mol
Calculate the molar mass of KOH.
28 g/mol
56 g/mol
84 g/mol
112 g/mol
Calculate the molar mass of Cu2O.
37 g/mol
45 g/mol
79.5 g/mol
143 g/mol
Calculate the molar mass of water (H2O).
10 g/mol
17 g/mol
18 g/mol
34 g/mol
Calculate the molar mass for Al(OH)3
78.0 g/mol
72 g/mol
28 g/mol
25 g/mol
Calculate the molar mass of NH4NO2
50 g/mol
60 g/mol
64 g/mol
78 g/mol
The chemical formula for sodium chloride is _ and its molar mass is _.
NaCl
ClNa
23g + 35.5g
39g = 19g
Calculate the molar mass of Ba(C2H3O2)2
(a)
Calculate the molar mass for Al(OH)3
(a)
Calculate the molar mass of NH4NO2
(a)
What is the molar mass of AuCl3?
(a)
A beaker contains 3.0 moles of copper. How many grams of copper are in the beaker?
190.7 g
21.2 g
0.047 g
86.3 g
A chemist places 2.50 g of iron on a scale. How many moles of iron are on the scale?
139.6 moles
22.3 moles
0.764 moles
0.045 moles
To melt the ice, Cindy throws 455 g of calcium chloride, CaCl2 on her sidewalk. How many moles of CaCl2 did she throw?
50,500 moles
4.10 moles
0.244 moles
111 moles
Shivani measures out 6.0 moles of epsom salt (MgSO4) to put in her bath. How many grams of MgSO4 went in the bath?
20 g
720 g
0.050 g
340 g
A recipe calls for 12 g of baking soda, NaHCO3. How many moles of NaHCO3 go into the recipe?
0.058 moles
7.0 moles
0.14 moles
3.4 moles
The recommended daily allowance for sodium is 2.3 g. How many moles of sodium should you get per day?
0.10 moles
0.075 moles
0.23 moles
0.0046 moles
At STP, 2.5 moles of helium gas will have what volume?
9 L
56 L
27 L
72 L
Breathing in sulfur hexafluoride will make your voice sound much deeper. How many liters of SF6 will you need to breathe in at STP to get 0.033 moles inside you?
0.062 L
0.74 L
1.35 L
2.26 L
You can buy dry ice (solid CO2) for about $2 a pound. If you bought 454 g of dry ice, how many moles of CO2 did you purchase?
103 moles
10.3 moles
1.03 moles
0.103 moles
0.05 moles of dry ice (CO2) will occupy what volume once it has sublimed and become a gas at STP?
11 L
0.011 L
0.11 L
1.1 L
An antique neon sign contains 1.5 g of neon. How many moles of neon are in the sign?
0.074 moles
0.056 moles
0.083 moles
0.062 moles
Potassium bitartrate or Cream of Tartar (KC4H5O6) has a molar mass of 188.2 g/mole. If you have 0.025 moles of it, what mass of Cream of Tartar do you have?
1.9 g
2.6 g
3.8 g
4.7 g
Determine the volume in liters of 0.60 mol of SO2 gas at STP
13.44L
37.33L
0.026L
1.344L
At STP, how many moles are in 62.4 Liters of Ammonia gas
0.359 mol
1398 mol
2.8 mol
1.28 mol
What is the volume of 3.70mol of Nitrogen gases at STP
77.7L
6.05L
82.8L
0.1L65
An average breath contains 500 mL of gas. Assuming the air is an ideal gas at STP, how many moles of air are pushed out with each breath?
0.022 moles
22 moles
0.22 moles
2.2 moles
At STP, 1 mol of gas has a volume of
34L
22.4L
60L
0.6L
How many atoms are contained in 25 g of NaBr? (Atomic mass of Na = 23, Br = 35)
102.96 molecules
0.24 molecules
1.45x1023 molecules
2.34 x 1020molecules
How many grams are in 1.2 x 1024 molecules of CO? (molar mass of CO = 28 g/mol)
28.2 g
55.8 g
6.02 g
1.2 g
6.02 x 1023 _____.
How many molecules are in 2.00 moles of H2O?
124x1024 molecules of H2O
1.20x1023 molecules of H2O
12.04 x1023 molecules H2O
124
What is the volume of 5 moles of oxygen gas at room temperature?
112 dm3
112 cm3
120 L
120 mL
A container with a volume of 893 L contains how many moles of air at STP?
2.5 x 10-2 mol
39.9 mol
22.4
2.7 x 10-2 mol
How many moles are 98.3 grams of aluminum hydroxide, Al(OH)3? (Ar Al=27, H=1, O=16)
1.26 moles
0.8 moles
7,673.4 moles
150 moles
How many Mg atoms are present in 3.00 moles of MgCl2 ?
1.81 x 10^24
3.02 x 10^24
12.0 x 10^25
16.0 x 10^23
What is the mass, in grams, of 4.725 mole of aluminum oxide Al2O3?{Al = 27, O = 16}
964 g
482 g
1928 g
6.02 x 1023 _____.
How many molecules are in 2.00 moles of H2O?
124x1024 molecules of H2O
1.20x1023 molecules of H2O
12.04 x1023 molecules H2O
124
Two moles is equal to 12.04 x 1023 atoms. But, what proper form will your calculator display it as?
1.204 x 1024
1.204 x 1022
12.04
0.1204 x 1024
An Avogadro's number of water molecules is equal to all EXCEPT _________.
1 mole of water molecules
2 moles of Hydrogen atoms and 1 mole of oxygen atoms
18 grams of water
18 molecules of water
What is the molar mass of NaCl?
58 g/mol
28 g/mol
12 g/mol
6.02 x 1023
The molar mass of an element is the mass of one ____ of the element, with numbers taken from the mass number on the periodic table.
atom
molecule
mole
gram
Which of these has the greatest volume at the same temperature & pressure?
1 mole CO2 gas
1 mole of N2O4 gas
1 mole of C3H8 gas
They all have the same volume
If you have 2 grams of helium gas at standard temperature & pressure, then you DON'T have
6.02 x 1023 atoms of helium
3.01 x 1023 atoms of helium
a 1/2 mole helium
11.2 L of helium
Which of the following statements regarding the mole is incorrect?
A mole is a counting unit equal to 6.02 x 1023 particles.
The number of particles in a mole is known as Avogadro’s number.
A mole of particles of an element is numerically equal to the atomic mass of the element.
none of the above
What name is given to the number of atoms in a mole of an element?
Planck's constant
Avogadro's constant
Newtonian constant
How many moles are there in 9 g of water?
2
1
0.5
How many moles of iron (III) oxide are contained in 276 g of pure Fe2O3? {Fe = 56, O = 16}
0.57 moles
1.71 moles
3.42 moles
Determine the volume, in liters, of 1.2 mole SO2 gas at STP.
13 L
26 L
6.5 L
At STP, 1 mol, or representative particles, of any gas occupies a volume of......................
24.4 L
44.2 L
22.4 L.
Standard temperature and pressure (STP) mean
A temperature of 0°C and a pressure of 101.3 kPa, or 1 atmosphere (atm).
A temperature of 100°C and a pressure of 101.3 kPa, or 1 atmosphere (atm).
A temperature of 0°K and a pressure of 10 atmosphere (atm).
What is the mass in grams of 1.5 moles of C5H12
What is the volume of 7.64 moles of Ar
What is the volume of 0.442 moles of C2H6
Using the periodic table, what is the MASS of 1 mole of Sodium
22.990g/mol
17.621g/mol
11g/mol
200.592g/mol
The molar mass of an element can be determined by looking at it
atomic number
atomic mass
Symbol
Calculate the molar mass of Ba(C2H3O2)2
255.3 g/mol
237.3 g/mol
228.3 g/mol
196.3 g/mol
Calculate the molar mass for Al(OH)3
78.0 g/mol
72 g/mol
28 g/mol
25 g/mol
Usually the density of a gas is measured in grams per liter (g/L) and at a specific temperature
True
False
Determine the volume, in liters, of 1.2 mole SO2 gas at STP.
13 L
26 L
6.5 L
