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Standardized NaOH solutions are typically restandardized if left unused for more than a week or two....

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Chemistry

Standardized NaOH solutions are typically restandardized if leftunused for more than a week or two. The main concern is exposure tothe atmosphere (thus it is important to seal the bottle well eachtime, and not leave it open during a lab period). Why is exposureto the atmosphere a concern (be specific)?

If a titration net volume should be 20.00 mL and a studentaccidentally goes one drop past this endpoint (~0.05 mL), what willthe percent error in this titration be?

If the incorrect titration net volume described in question 3 isused to standardize an NaOH solution, will the calculated [NaOH] behigher or lower than the true value of that solution’sconcentration? Explain briefly.

Answer & Explanation Solved by verified expert
4.4 Ratings (806 Votes)
Sodium hydroxide reacts quickly with carbon dioxide to producesodium carbonateWe know    See Answer
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