# chemistry

average atomic mass of magnesium is 24.31 amu. this magnesium is composed of 79 mole % of ^24 Mg and remaining 21mole % of ^25 Mg. calculate mole % of ^26Mg.

1. 👍 9
2. 👎 3
3. 👁 2,870
1. Something is askew here. If you have 79% of one isotope and 21% of the other, that adds to 100% so there is no room for any other isotope.

1. 👍 2
2. 👎 11
2. 10

1. 👍 3
2. 👎 7
posted by Shubham
3. 79(24)+x(26)+(21-x)25 whole divided by 100 = 24.31 you get answer by solving X as 10

1. 👍 15
2. 👎 8
4. Ans. 9

1. 👍 0
2. 👎 13

1. 👍 0
2. 👎 4
6. Turtleneck tujhe badkismati

1. 👍 1
2. 👎 2

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