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1. When 19 mL of a solution containing .29 M Ca(OH)2 is diluted to 30 mL, a dilute solution is formed. What is the OH- concentration in 15 mL of the dilute solution?

2. When 30 mL of a 135 mL stock solution containing 1 M AlCl3 is diluted to 61 mL, what is the concentration of Cl- in the new solution?

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Category:- Chemistry
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