Question

16. Magnesium is 78.99% Mg-24 with a mass of 23.985042 amu and 10.00% Mg-25 with a mass of 24.985837 and 11.01% Mg-26 with a mass of 25.92593 amu. Calculate the Average atomic mass of magnesium. (16 pts.) 0.7899 x23985042 + 0.100 x 24.985837 + 0.1101 x 25.952593 24.30 amu

          16. Magnesium is 78.99% Mg-24 with a mass of 23.985042 amu and 10.00% Mg-25 with a mass of 24.985837 and 11.01% Mg-26 with a mass of 25.92593 amu. Calculate the Average atomic mass of magnesium. (16 pts.)
0.7899 x23985042 + 0.100 x 24.985837 + 0.1101 x 25.952593
24.30 amu

16. Magnesium is 78.99% Mg-24 with a mass of 23.985042 amu and 10.00% Mg-25 with a mass of 24.985837 and 11.01% Mg-26 with a mass of 25.92593 amu. Calculate the Average atomic mass of magnesium. (16 pts.)
0.7899 x23985042 + 0.100 x 24.985837 + 0.1101 x 25.952593
24.30 amu

Added by Leonel A.

Chemistry: Atoms First

Julia Burdae, Jason Overbyt 3rd Edition

Chapter 2

Instant Answer

Solved by Expert Nicholas Mogoi

07/18/2024

Step 1

For Mg-24, this would be \( 0.7899 \times 23.985042 \) which equals 18.944 amu. For Mg-25, this would be \( 0.1000 \times 24.985837 \) which equals 2.4986 amu. For Mg-26, this would be \( 0.1101 \times 25.952593 \) which equals 2.856 amu. Then, we add these Show more…

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