WorksheetsMol conversions - molar mass & Avogadro HW3
Total questions: 8
Worksheet time: 23mins
5.11 x 1023 atoms of lithium (Li) is equal to how many moles?
1.18 moles
0.351 moles
1.34 moles
0.849 moles
0.750 mole of copper (Cu) is equal to how many atoms?
8.03 x 1023 atoms
6.02 x 1023 atoms
4.51 x 1023 atoms
3.11 x 1023 atoms
0.50 moles of carbon (C) is equal to how many grams?
6.0 grams
12 grams
8.0 grams
14 grams
36.0 g of beryllium (Be) contains how many moles?
0.250 mol
4.00 mol
45.0 mol
320. mol
How many atoms would be contained in 454 grams of iron (Fe)?
6.02 x 1023 atoms
8.14 atoms
4.90 x 1024 atoms
55.85 x 1023 atoms
Find the mass in grams of 2.25 x 1024 atoms of calcium (Ca).
40.0 grams
255.1 grams
150. grams
9.02 x 1024 grams
Which of the following represent an atom containing 9 protons, 10 neutrons, and 6 electrons?
An Aluminium-28 isotope contains the following:
15 Protons, 12 Electrons, 12 Neutrons
15 Protons, 12 Electrons, 12 Neutrons
13 Protons, 13 Electrons, 15 Neutrons
13 Protons, 13 Electrons, 16 Neutrons
