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What is the ratio of Al 3+ ions to S 2- ions in a neutral compound?
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What is the ratio of Al 3+ ions to S 2- ions in a neutral compound?

User Jho
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1 Answer

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Al^(3+)_(2)S^(-2)_(3)

In a neutral compound sum of charges should be equal 0,

+3*2-2*3=0,
so ratio of ions n(Al³)⁺:n(S²⁻)=2:3
User Elzooilogico
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