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# PRA025 - 150 mL what will the molarity of the diluted...

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Dilutions Worksheet 1) If I add 25 mL of water to 125 mL of a 0.15 M NaOH solution, what will the molarity of the diluted solution be? 2) If I add water to 100 mL of a 0.15 M NaOH solution until the final volume is 150 mL, what will the molarity of the diluted solution be? 3) How much 0.05 M HCl solution can be made by diluting 250 mL of 10 M HCl? 4) I have 345 mL of a 1.5 M NaCl solution. If I boil the water until the volume of the solution is 250 mL, what will the molarity of the solution be? 5) How much water would I need to add to 500 mL of a 2.4 M KCl solution to make a 1.0 M solution? For chemistry help, visit www.chemfiesta.com © 2002 Cavalcade Publishing – All Rights Reserved

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Dilutions Worksheet - Solutions 1) If I add 25 mL of water to 125 mL of a 0.15 M NaOH solution, what will the molarity of the diluted solution be? M 1 V 1 = M 2 V 2 (0.15 M)(125 mL) = x (150 mL) x = 0.125 M 2) If I add water to 100 mL of a 0.15 M NaOH solution until the final volume is
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