A chemist dissolves an excess of BaSO_(4) in pure water at 25^(@) C if its K_(sp) = 1 xx 10^(-10) . What is the concentration of barium in the water ?

A chemist dissolves an excess of BaSO_(4) in pure water at 25^(@) C if

1.	A chemist dissolves an excess of BaSO_(4) in pure water at 25^(@) C if its K_(sp) = 1 xx 10^(-10) . What is the concentration of barium in the water ?
Answer» `10^(-4)` M `10^(-5)` M `10^(-15)` M `10^(-6)` M Solution :`K_(sp) = [BA^(2+)] [SO_(4)^(2-)]` `1 xx 10^(-10) = (x) (x)` `10^(-5) = x`