A solution is saturated in SrCO_(3), and SrF_(2). The CO_(3)^(2-) was found to be 10^(-3) mol/L. If the concentration of Fin solution is represented as yxx 10^(-2) M then what is the value of 'y'? [Given : K_(sp) (SrCO_(3))= 2.5 xx10^(-10), K_(sp) (SrF_(2))= 10^(-10)]

A solution is saturated in SrCO_(3), and SrF_(2). The CO_(3)^(2-) was

1.	A solution is saturated in SrCO_(3), and SrF_(2). The CO_(3)^(2-) was found to be 10^(-3) mol/L. If the concentration of Fin solution is represented as yxx 10^(-2) M then what is the value of 'y'? [Given : K_(sp) (SrCO_(3))= 2.5 xx10^(-10), K_(sp) (SrF_(2))= 10^(-10)]
Answer» ` 1.3 xx 10^(-3) M` ` 2.6 xx 10^(-2)` ` 3.7 xx 10^(-2) M` ` 5.8 xx 10^(-7) M` Solution :`[Sr^(+2) ][CO_3^(2-)] =KsP_1 ,[Sr^(+2) ][F^(-) ] ^(2) = Ksp_2` `RARR [F^(-) ]^(2) =(Ksp_2)/(Ksp_1) xx [CO_3^(2-)]` ` [F^(-)]^(2)=(8XX 10^(-10))/( 7 xx 10 ^(-10)) xx 1.2 xx 10 ^(-3)` ` [F^(-)] =3.7 xx 10 ^(-2)`