afroChick afroChick

09-07-2018
Chemistry

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

Respuesta :

SvetkaChem SvetkaChem

09-07-2018

[tex]Al^{3+}_{2}S^{-2}_{3}[/tex]

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

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