Answer to Question #196279 in General Chemistry for Caitlin

Question #196279

I need to make 200.0 mL of 3.00M NaOH for a titration lab. How many grams of powdered lye (NaOH) should I put in a 200.00 mL volumetric flask?


1
Expert's answer
2021-05-25T07:49:08-0400

As Concentration of NaOH solution = 3.0M

Volume of NaOH solution = 850 mL = 200 / 1000 L = 0.2 L

Molar Mass of NaOH = 40 g/mol


Mass of NaOH added;

= Concentration of NaOH solution × Volume of NaOH solution × Molar Mass of NaOH

= 3.0 M × 0.2L × 40 g/mol

= 24 g


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Helan
21.05.21, 17:51

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