A chemistry student needs to standardize a fresh solution of sodium hydroxide. He carefully weighs out 574. mg of oxalic acid (H₂C₂O4), a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in 250. mL of distilled water. The student then titrates the oxalic acid solution with his sodium hydroxide solution. When the titration reaches the equivalence point, the student finds he has used 142.0 mL of sodium hydroxide solution. Calculate the molarity of the student's sodium hydroxide solution. Round your answer to 3 significant digits. ? olo Ar

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Standardizing a base solution by titration
Explanation
Significant Figures Calculator and... X
ALEKS - Andrew Herrera - Learn
A chemistry student needs to standardize a fresh solution of sodium
hydroxide. He carefully weighs out 574. mg of oxalic acid (H₂C₂0₂), a diprotic
acid that can be purchased inexpensively in high purity, and dissolves it in
250. mL of distilled water. The student then titrates the oxalic acid solution
with his sodium hydroxide solution. When the titration reaches the
equivalence point, the student finds he has used 142.0 mL of sodium
hydroxide solution.
Check
1/5
Calculate the molarity of the student's sodium hydroxide solution. Round
your answer to 3 significant digits.
Andrew
?
屋
ollo
Ar
Ⓒ2023 McGraw Hilll LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility
Transcribed Image Text:= chem.fsu.edu O CHEMICAL REACTIONS Standardizing a base solution by titration Explanation Significant Figures Calculator and... X ALEKS - Andrew Herrera - Learn A chemistry student needs to standardize a fresh solution of sodium hydroxide. He carefully weighs out 574. mg of oxalic acid (H₂C₂0₂), a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in 250. mL of distilled water. The student then titrates the oxalic acid solution with his sodium hydroxide solution. When the titration reaches the equivalence point, the student finds he has used 142.0 mL of sodium hydroxide solution. Check 1/5 Calculate the molarity of the student's sodium hydroxide solution. Round your answer to 3 significant digits. Andrew ? 屋 ollo Ar Ⓒ2023 McGraw Hilll LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility
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