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[" The average atomic mass of a mixture containing "],[79" mol "%" of "^(24)" Mg and remaining "21" mole "%" of "25],[Mg" and "26Mg" ,is "24.31" .% mole of "^(26)Mg" is "],[" (B) "20]

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Average atomic mass of magnesium is 24.31amu. This magnesium is composed of 79 mole % of 24 Mg and remaining 21 mole % of 25Mg and 26 Mg. Calculate mole % of 26 Mg.

Average atomic mass of magnesium is 24.31 amu. This magnesium is composed of 79 mole % of .^(24)Mg and remaining 21 mol % of .^(25)Mg and .^(26)Mg . Calculate mole % of .^(26)Mg .

Average atomic mass of magnesium is 24.31 amu. This magnesium is composed of 79 mole % of 24mg and remaining 21 mole % of 25mg and 25mg . Calculate mole % of 26mg .

Average atomic mass of magnesium is 24.31 amu. This magnesium is composed of 79 mole % of 24mg and remaining 21 mole % of 25mg and 25mg . Calculate mole % of 26mg .

Average atomic mass of magnesium is 24.31 amu. This magnesium is composed of 79 mole % of .^(24)Mg and reamainig 21 mol % of .^(25)Mg and .^(26)Mg . Calculate mole % of .^(26)Mg .

The simplest formula of a compound containing 21.9% Mg, 27.8% P and 50.3% O by mass is :

Assertion: The average mass of one Mg atom is 24.305 amu , which is not actual mass of one Mg atom. Reason: Three isotopes, 24 Mg, 25 Mg and 26 Mg , of Mg are found in nature.

Assertion: The average mass of one Mg atom is 24.305 amu , which is not actual mass of one Mg atom. Reason: Three isotopes, 24 Mg, 25 Mg and 26 Mg , of Mg are found in nature.