A solution of HNO, is standardized by reaction with pure sodium carbonate. +2 Na* + H₂O + CO₂ 2H+Na₂CO, A volume of 27.42 + 0.05 ml of HNO, solution was required for complete reaction with 0.8388 +0.0007 g of Na, CO,. (FM 105.988+0.001 g/mol). Find the molarity of the HNO, solution and its absolute uncertainty. [HNO,1- Note: Significant figures are graded for this problem. To avoid rounding errors, do not round your answers until the very end of your calculations. 0.576 1 Incorrect M 0.0026 At Incorrect M

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter7: Statistical Data Treatment And Evaluation
Section: Chapter Questions
Problem 7.27QAP
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A solution of HNO,
2H+ + Na,CO₂-2 Na* + H₂O + CO₂
A volume of 27.42 + 0.05 mL of HNO, solution was required for complete reaction with 0.8388 ± 0.0007 g of Na, CO,. (FM
105.988 +0.001 g/mol). Find the molarity of the HNO, solution and its absolute uncertainty.
[HNO,]=
standardized by reaction with pure sodium carbonate.
Note: Significant figures are graded for this problem. To avoid rounding errors, do not round your answers until the very end of
your calculations.
0.576
Incorrect
M
±
0.0026
Atterm
Incorrect
M
Transcribed Image Text:A solution of HNO, 2H+ + Na,CO₂-2 Na* + H₂O + CO₂ A volume of 27.42 + 0.05 mL of HNO, solution was required for complete reaction with 0.8388 ± 0.0007 g of Na, CO,. (FM 105.988 +0.001 g/mol). Find the molarity of the HNO, solution and its absolute uncertainty. [HNO,]= standardized by reaction with pure sodium carbonate. Note: Significant figures are graded for this problem. To avoid rounding errors, do not round your answers until the very end of your calculations. 0.576 Incorrect M ± 0.0026 Atterm Incorrect M
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