rdobkowski18 rdobkowski18

25-04-2020
Chemistry

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If 125mL of a 0.15M NaOH solution is diluted to 150mL, what will the new molarity of the solution be?

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gbustamantegarcia054 gbustamantegarcia054

26-04-2020

Answer:

C NaOHsln = 0.125 M

Explanation:

Molarity (M) [=] mol/L

∴ moles NaOH = (0.125 L)(0.15 mol/L) = 0.01875 mol

∴ Vsln = 150 mL = 0.150 L

New Molarity:

⇒ C NaOH = 0.01875 mol/0.150 L

⇒ C NaOH = 0.125 M

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