C05 Atomic Mass Calculations

Element Z has 2 natural isotopes. One isotope has a mass of 25.00 amu and an abundance of 17.00%. The other isotope has a mass of 23.00 amu and an abundance of 83.00%.

Calculate the average atomic mass for this one element.

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Element Z has 2 natural isotopes. One isotope has a mass of 25.00 amu and an abundance of 78.00%. The other isotope has a mass of 23.00 amu and an abundance of 22.00%. Calculate the average atomic mass for this one element.

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Element Z has 2 natural isotopes. One isotope has a mass of 25.00 amu and an abundance of 81.00%. The other isotope has a mass of 23.00 amu and an abundance of 19.00%. Calculate the average atomic mass for this one element.

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Element Z has 2 natural isotopes. One isotope has a mass of 25.00 amu and an abundance of 84.00%. The other isotope has a mass of 23.00 amu and an abundance of 16.00%. Calculate the average atomic mass for this one element.

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Element Z has 2 natural isotopes. One isotope has a mass of 25.00 amu and an abundance of 99.09%. The other isotope has a mass of 23.00 amu and an abundance of 0.91%. Calculate the average atomic mass for this element.

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Element Z has 2 natural isotopes. One isotope has a mass of 25.00 amu and an abundance of 42.54%. The other isotope has a mass of 23.00 amu and an abundance of 57.46%. Calculate the average atomic mass for this element.

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Element Z has 2 natural isotopes. One isotope has a mass of 25.00 amu and an abundance of 22.04%. The other isotope has a mass of 23.00 amu and an abundance of 77.96%. Calculate the average atomic mass for this one element.

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Element Z has 2 natural isotopes. One isotope has a mass of 25.00 amu and an abundance of 37.57%. The other isotope has a mass of 23.00 amu and an abundance of 62.43%. Calculate the average atomic mass for this one element.

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Element Z has 2 natural isotopes. One isotope has a mass of 25.00 amu and an abundance of 7.227%. The other isotope has a mass of 23.00 amu and an abundance of 92.773%. Calculate the average atomic mass for this one element.

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Element Z has 2 natural isotopes. One isotope has a mass of 25.00 amu and an abundance of 17.00%. The other isotope has a mass of 23.00 amu and an abundance of 83.00%. In words how would you calculate the average atomic mass of element Z?

• Add 23.00 and 25.00 together and divide by 2

• Take 17.0% of 25.00, take 83.00% of 23.00, and add them together

• Take 17.0% of 25.00, take 83.00% of 23.00, and multiply them together

• Add 23.00 and 25.00 together and mulitply by 2