Question #107652
Sorry for the bad english, i dont know chemistry so well in english.
There is 25ml of hydrochloric acid in a volumetric flask, and it's concentration is 0.125mol/l. Then you add 175ml of water, so the liquid becomes 200ml in total. What is the concentration now, when there's 175ml of water added to the flash?
There is 25ml of hydrochloric acid in a volumetric flask, and it's concentration is 0.125mol/l. Then you add 175ml of water, so the liquid becomes 200ml in total. What is the concentration now, when there's 175ml of water added to the flash?
Expert's answer
n = C*V
n = 0.125*0.025 = 0.003125 mol
New volume is 200 mL or 0.2 L
New C = 0.003125 / 0.2 = 0,015625 or 0.016 M.
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#339914 on Dec 2023
#339914 on Dec 2023
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