Multiple choice

The atomic mass of zinc is 65.37 u. Which of the following is the correct weight of 1 atom of zinc?

  1. 9.21 X 1021 grams

  2. 1.08 X 10-22 grams

  3. 1.08 X 1022 grams

  4. 10.85 x 1021 grams

  5. 0.09 X 10-22 grams
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Atomic mass of zinc = 65.37 u 1u = 1.67 x 10-24 g. Atomic mass of zinc = 65.37 u = 65.37 x 1.67 x 10-24 = 1.09 x 10-22 g

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