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A sample of 100 "Eggium" (Eg) atoms are taken where 30 have a mass of 15, 40
have a mass of 16, 20 have a mass of 17, and 10 have a mass of 18. What is the
percent abundance of Eg-17?
A 10%
B 20%
C 30%
D 40%
F 80%
*

Answer :

EDUARD22SLYGO

The percentage abundance of Eg-17 is 20% (Option B)

Data obtained from the question

The following data were obtained from the question:

  • Total sample = 100
  • Amount of Eg-15 = 30
  • Amount of Eg-16 = 40
  • Amount of Eg-17 = 20
  • Amount of Eg-18 = 10
  • Percentage abundance of Eg-17 =?

How to determine the pecentage abundance of Eg-17

The pecentage abundance of Eg-17 can be obtained as illustrated below:

Percentage abundance of Eg-17 = (Amount of Eg-17 / total) × 100

Percentage abundance of Eg-17 = (20 / 100) × 100

Percentage abundance of Eg-17 = 0.2 × 100

Percentage abundance of Eg-17 = 20%

Thus, the percentage abundance of Eg-17 is 20% (Option B)

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