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How many hydrogen atoms are in 0.5 mol of hydrogen atoms?
A3.011 x 10^22
B6.022 x 10^23
C3.011 x 10^23
D1.2044 x 10^24
Answer & Solution
Correct answer: C. 3.011 x 10^23
Half a mole of atoms is 0.5 x 6.022 x 10^23 = 3.011 x 10^23 atoms.
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