what is the simplest formula of that compound in which x-element (atomic mass = 10g/mol) is 50 persent of total mass and y-element (atomic mass 20g/mol) is 50 persent of total mass?
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Expert's answer
2017-06-07T10:23:11-0400
Element’s name with their symbol: X and Y Atomic mass: 10 (for X) and 20 (for Y) Weight % in compound: 50% (for X) and 50% (for Y) Relative number of atom: 50/10 = 5 (for X) and 50/20 = 2.5 (for Y) Simplest atomic ratio: 5/2.5 = 2 (for X) and 2.5/2.5 = 1 (for Y) Empirical formula: X2Y
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