1.

To determine molar solubility of an unknown metal hydroxide, M(OH)_(3) in 0.00101M NaOH, Jane adds 0.250g of M(OH)_(3) solid to 200mL of a 0.00101M NaOH solution and stirred for a long time.A cloudy solution is formed. The undissolved hydroxide is separated from the solution by filtratin 25.00mL of filtrate is pipetted into a flask 30mL of water is added adn then the solution is titrated with 0.00444M HCl solution 13mL of HCl is used for this titration. The solubility product of M(OH)_(3) is

Answer»

`4.8xx10^(-9)`
`5.6xx10^(-11)`
`2.1xx10^(-11)`
`5.34xx10^(-12)`

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