Need help with calculating blank spots thank you! Table 1. Titmass of Na2CO3 (grams)moles of Na2CO3V final, volume dilute HCl atendpoint (mL)V initial, volume dilute HCl atstart (mL)V total, volume dilute HCl toreach the endpoint (mL)molarity of dilute HCl in buret(mol/L)average molarity of dilute HCI(mol/L)percent difference of trials (%)Average molarity ofconcentrated unknown solution(mol/L)Trial 10.0780g5.52mL9.77ML4.25mlTrial 20.0810gIlmL17.91mL6.91m24.872 mol/LTrial 30.093098.52mL19.03mL2010.51ML

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Chemistry

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Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter3: Chemical Reactions

Section3.10: Solution Concentration: Molarity

Problem 3.25CE

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Question

Need help with calculating blank spots thank you!

Table 1. Tit
mass of Na2CO3 (grams)
moles of Na2CO3
V final, volume dilute HCl at
endpoint (mL)
V initial, volume dilute HCl at
start (mL)
V total, volume dilute HCl to
reach the endpoint (mL)
molarity of dilute HCl in buret
(mol/L)
average molarity of dilute HCI
(mol/L)
percent difference of trials (%)
Average molarity of
concentrated unknown solution
(mol/L)
Trial 1
0.0780g
5.52mL
9.77ML
4.25ml
Trial 2
0.0810g
IlmL
17.91mL
6.91m2
4.872 mol/L
Trial 3
0.09309
8.52mL
19.03mL
2010.51ML

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