Problem: Vanadium has two naturally occurring isotopes, 50V with an atomic mass of 49.9472 amu and 51V with an atomic mass of 50.9440. The atomic weight of vanadium is 50.9315. The percent abundances of the vanadium isotopes are _______ % 50V and __________% 51V.  a. 0.25, 99.75 b. 99.75, 0.25 c. 49, 51 d. 1.25, 98.75 e. 99, 1.0

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Vanadium has two naturally occurring isotopes, 50V with an atomic mass of 49.9472 amu and 51V with an atomic mass of 50.9440. The atomic weight of vanadium is 50.9315. The percent abundances of the vanadium isotopes are _______ % 50V and __________% 51V

a. 0.25, 99.75

b. 99.75, 0.25

c. 49, 51

d. 1.25, 98.75

e. 99, 1.0

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