How many moles of Ca are in 1.25x1023 atoms?
We used two conversion factors in this unit, they are provided below. It is your responsibility to know which conversion factor to use!
Avogadro’s number: 6.02x1023 atoms = 1 mole
Molar mass of calcium: 40.078 g Ca = 1 mol Ca
A. 3.12x10^21 mol
B. 0.21 mol
C. 3.12 mol
D. 0.21x10^21 mol
Answers: 3
Multiply: 
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How many moles of Ca are in 1.25x1023 atoms?
We used two conversion factors in this unit, they are...
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