You have a stock solution certified by a manufacturer to contain 160.0 0.3 g SO 4
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Question:
(a) Dilute 10.00 mL up to 100 mL with a transfer pipet and volumetric flask. Then take 10.00 mL of the dilute solution and dilute it again to 100 mL.
(b) Dilute 1.000 mL up to 100 mL with a transfer pipet and volumetric flask.
Please calculate the resulting uncertainties in the concentration for each method.
(Class A) Tolerance for 100ml capacity volumetric flask = +/-0.08mL
(Class A) Tolerance for 10ml transfer pipet= +/-0.02mL
(c) Explain why one method is more precise than the other.
Related Book For
Chemistry The Central Science
ISBN: 978-0321696724
12th edition
Authors: Theodore Brown, Eugene LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward
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