# Statistics Linear Regression

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1. The following data on the solubility of Mg(OH)2 has been measured in buffers with different pH values. Using linear regression estimate the solubility product (Ksp) for Mg(OH)2 .

Solubility (S) of Mg(OH)2 pH

0.151 M 9.8

2.39*10-3 M 10.7

2.73*10-4 M 11.2

9.5*10-6 M 11.9

S=? 7.00

Do the regression between pH and S.

Then find the value of S for pH at 7.00

And Ksp=4S3.

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The solution calcualtes the linear regression.

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