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how could you prepare 300mL of 0.45 M LiBr using a solution of 1.7 M LiBr...

how could you prepare 300mL of 0.45 M LiBr using a solution of 1.7 M LiBr and water?

how could you prepare 10 L of 0.1 M NaOH using 1.0 M NaOH and water?

what is the molarity of a solution made by dilluting 1.2 L of 7M KCl with 0.8 L of water?
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