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WorksheetsMass to Atoms
Total questions: 25
Worksheet time: 25mins
What is the molar mass of one molecule of Nitrogen N2?
14.01 amu
14.01 g
28.02 g
28.02 amu
What is the atomic mass of one atom of Nitrogen?
14 amu
14 g
14 kg
None of these
What is the mass of one hydrogen atom?
1 amu
1 g
2 g
2 amu
How many atoms are contained in a 456 g sample of carbon dioxide?
10.34 atoms
6.237 x 1024 atoms
1.871 x 1025atoms
2.079 x 1024 atoms
What is the ATOMIC MASS of this Atom?
Use your understanding of Atomic Mass to complete the Table.
9
24
1
6
5
8
12
63
Which of the following describes the relationship of these isotopes?
Isotopes have (a) mass numbers, but (b) number of protons.
different
the same
How many atoms would be contained in 454 grams of iron (Fe)?
6.02x1023 atoms
8.14 atoms
4.90x1024 atoms
55.85x1023 atoms
What is the atomic mass of one atom of Carbon?
12 amu
12 g
12 kg
None of these
How many atoms are in 12 grams of Carbon?
1 mole
6.022 x 10^23 atoms
12 atoms
24 atoms
What is the mass of one mole of Oxygen atoms?
16 amu
16 g
32 g
8 g
How many atoms are in 18 grams of water (H2O)?
6.022 x 10^23 atoms
1.806 x 10^24 atoms
3.612 x 10^24 atoms
1.204 x 10^24 atoms
What is the molar mass of Nitrogen gas (N2)?
14 g/mol
28 g/mol
7 g/mol
56 g/mol
How many atoms are in 1 mole of any substance?
6.022 x 10^23 atoms
1 x 10^23 atoms
3.011 x 10^23 atoms
12.044 x 10^23 atoms
What is the mass of 2 moles of Helium atoms?
4 g
8 g
2 g
16 g
How many atoms are in 44 grams of Carbon dioxide (CO2)?
6.022 x 10^23 atoms
1.204 x 10^24 atoms
2.408 x 10^24 atoms
3.612 x 10^24 atoms
What is the atomic mass of one atom of Sodium?
23 amu
11 amu
22.99 amu
24 amu
How many atoms are in 1 gram of Hydrogen?
6.022 x 10^23 atoms
1.204 x 10^24 atoms
3.011 x 10^23 atoms
12.044 x 10^23 atoms
What is the mass of one mole of Sulfur atoms?
32 g
16 g
64 g
8 g
How many atoms are in 2 grams of Helium?
3.011 x 10^23 atoms
6.022 x 10^23 atoms
1.204 x 10^24 atoms
1.806 x 10^24 atoms
What is the molar mass of Water (H2O)?
18 g/mol
20 g/mol
16 g/mol
10 g/mol
How many atoms are in 1 mole of Argon?
6.022 x 10^23 atoms
1.204 x 10^24 atoms
3.011 x 10^23 atoms
12.044 x 10^23 atoms
What is the atomic mass of one atom of Chlorine?
35.5 amu
17 amu
36 amu
34 amu
How many atoms are in 32 grams of Oxygen gas (O2)?
6.022 x 10^23 atoms
1.204 x 10^24 atoms
3.011 x 10^23 atoms
12.044 x 10^23 atoms
What is the mass of 1 mole of Calcium atoms?
40 g
20 g
80 g
10 g
