g. Since the concentration of the H₂O2 solution is 3% by mass, calculate the mass of H₂O2 in the mass determined from the previous part of the 5.00 mL of the solution.
g. Since the concentration of the H₂O2 solution is 3% by mass, calculate the mass of H₂O2 in the mass determined from the previous part of the 5.00 mL of the solution.
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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Please help with question g
![5 Online
f.
g.
h.
i.
Using the density of H₂O2, calculate the mass of 5.00 mL of the H₂O2 solution.
mass of ₂02Vxd
j.
me of d
Since the concentration of the H₂O2 solution is 3% by mass, calculate the mass
of H₂O2 in the mass determined from the previous part of the 5.00 mL of the
solution.
k.
=SML x 1.101 g/m2
= 5.505g
Using the molar mass of H₂O2, calculate the number of moles of H₂O2
reacting.
#of moles
noves
CLIC
SPICY
mass
of H₂02 molar mass
=0.1659
34.0g/mol
= 0.00485mol
Using stoichiometry and the balanced chemical equation for the
decomposition of H2O2, calculate the number of moles of collected O2.
Determine how many grams this is equivalent to.
2 H₂022 H₂0 +0₂
H₂02:0₂ 2:1
0.00485 mole of H₂02 = 7 mole of 02
0.00485 mol 102 x 1 mol 02 -0.002425 moloz
2 mol H₂02
molar mass 0₂ 32.0 g/mol
Determine the gas constant, R.
Calculate the % error in R for this determination.
mass of 02:0.002425 mol x32.0 g/mol
= 0.07769
mass of th02-0.1659=2.14 ~ 2
0.07769
equivalent to 2
mass of 02
Briefly explain why it is essential that none of the yeast comes into contact
with the H₂O2 solution before the stopper is firmly in place.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6c605e87-2c96-4aa2-99a1-2c5d12ea3556%2Fe5b958dd-449e-488b-935e-eae8bcc2ba74%2Fl0jvsko_processed.jpeg&w=3840&q=75)
Transcribed Image Text:5 Online
f.
g.
h.
i.
Using the density of H₂O2, calculate the mass of 5.00 mL of the H₂O2 solution.
mass of ₂02Vxd
j.
me of d
Since the concentration of the H₂O2 solution is 3% by mass, calculate the mass
of H₂O2 in the mass determined from the previous part of the 5.00 mL of the
solution.
k.
=SML x 1.101 g/m2
= 5.505g
Using the molar mass of H₂O2, calculate the number of moles of H₂O2
reacting.
#of moles
noves
CLIC
SPICY
mass
of H₂02 molar mass
=0.1659
34.0g/mol
= 0.00485mol
Using stoichiometry and the balanced chemical equation for the
decomposition of H2O2, calculate the number of moles of collected O2.
Determine how many grams this is equivalent to.
2 H₂022 H₂0 +0₂
H₂02:0₂ 2:1
0.00485 mole of H₂02 = 7 mole of 02
0.00485 mol 102 x 1 mol 02 -0.002425 moloz
2 mol H₂02
molar mass 0₂ 32.0 g/mol
Determine the gas constant, R.
Calculate the % error in R for this determination.
mass of 02:0.002425 mol x32.0 g/mol
= 0.07769
mass of th02-0.1659=2.14 ~ 2
0.07769
equivalent to 2
mass of 02
Briefly explain why it is essential that none of the yeast comes into contact
with the H₂O2 solution before the stopper is firmly in place.
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