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3. Cr in nature is a mixture of four isotopes Mass49.94651.94152.94153.939NaturalAbundance4.35%83.79%9.50%2.36% Calculate the (average) atomic mass of Cr. A. 49.94 B. 50.00 C. 51.32 D.

3. Cr in nature is a mixture of four isotopes Mass49.94651.94152.94153.939NaturalAbundance4.35%83.79%9.50%2.36% Calculate the (average) atomic mass of Cr. A. 49.94 B. 50.00 C. 51.32 D. 52.00 =53.17

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