A student following the procedure for the "Which Alkali Metal Carbonate" lab collected and recorded the following data: Mass of flask Mass of flask+unknown = 97.85 g 99.86 g Mass of graduated cylinder+ HCI(aq) 37.470 g Mass of emptied graduated cylinder = 26.941 g Mass of flask containing reaction mixture 109.55 g What was the total mass in grams of all the reactants used? What was the mass in What was the mass in grams of the unknown? 9a blos grams of the HCl(a) solution? ㄧ邪.ZTy 37.470 or 819 was the measured mass in grams the products that remained in the flask after the What reaction was complete? 164,55 1,7 97,85 What was the mass in grams of the CO2 lost? How many moles of CO2 were lost in the reaction?, Remember, the molar mass of CO2 is 44.01 g/mol.00i9l gleso Use the stoichiometric coefficients in the balanced chemical equations to determine the number of moles of alkali metal carbonate required to produce the number of moles of CO2 lost. How many moles of carbonate did the unknown sample contain? Which alkali metal is "X"? What is the molar mass (in g/mol) of X2C03? What is the molar mass of the unknown alkali metal atom "X"? Li Cor 035 x73
A student following the procedure for the "Which Alkali Metal Carbonate" lab collected and recorded the following data: Mass of flask Mass of flask+unknown = 97.85 g 99.86 g Mass of graduated cylinder+ HCI(aq) 37.470 g Mass of emptied graduated cylinder = 26.941 g Mass of flask containing reaction mixture 109.55 g What was the total mass in grams of all the reactants used? What was the mass in What was the mass in grams of the unknown? 9a blos grams of the HCl(a) solution? ㄧ邪.ZTy 37.470 or 819 was the measured mass in grams the products that remained in the flask after the What reaction was complete? 164,55 1,7 97,85 What was the mass in grams of the CO2 lost? How many moles of CO2 were lost in the reaction?, Remember, the molar mass of CO2 is 44.01 g/mol.00i9l gleso Use the stoichiometric coefficients in the balanced chemical equations to determine the number of moles of alkali metal carbonate required to produce the number of moles of CO2 lost. How many moles of carbonate did the unknown sample contain? Which alkali metal is "X"? What is the molar mass (in g/mol) of X2C03? What is the molar mass of the unknown alkali metal atom "X"? Li Cor 035 x73
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:A student following the procedure for the "Which Alkali Metal Carbonate" lab collected and
recorded the following data:
Mass of flask
Mass of flask+unknown
= 97.85 g
99.86 g
Mass of graduated cylinder+ HCI(aq) 37.470 g
Mass of emptied graduated cylinder = 26.941 g
Mass of flask containing reaction mixture 109.55 g
What was the total mass
in grams of all the
reactants used?
What was the mass in
What was the mass in
grams of the unknown?
9a blos
grams of the HCl(a)
solution?
ㄧ邪.ZTy
37.470
or
819
was the measured mass in grams the products that remained in the flask after the
What
reaction was complete?
164,55
1,7
97,85
What was the mass in grams of the CO2 lost?
How many moles of CO2 were lost in the reaction?,
Remember, the molar mass of CO2 is 44.01 g/mol.00i9l
gleso
Use the stoichiometric coefficients in the balanced chemical equations to determine the
number of moles of alkali metal carbonate required to produce the number of moles of
CO2 lost. How many moles of carbonate did the unknown sample contain?
Which alkali metal is "X"?
What is the molar mass
(in g/mol) of X2C03?
What is the molar mass
of the unknown alkali
metal atom "X"?
Li
Cor
035
x73
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