side t level pressu You sure d. e. Using the assumption that 1gram of water is 1mL of volume, what is the volume in Liters of O₂ that was obtained? Convert the water temperature, in Celsius, to Kelvin.

side t level pressu You sure d. e. Using the assumption that 1gram of water is 1mL of volume, what is the volume in Liters of O₂ that was obtained? Convert the water temperature, in Celsius, to Kelvin.

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter15: Solutions

Section: Chapter Questions

Problem 10CR

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Question

Please help with question 2 d-f

. You
ater Inside t
to the level
ture's press
ssure. You
he pressure
2.
A student performed the experiment as described, using 5.00 mL of an
aqueous 3.00% H2O2 solution, with a density of 1.101 g/mL. The water
temperature was 24.0 °C, and the barometric pressure was 29.34 inches
of Hg. The weights of the gas-collection bottle and water were:
partially full
full
a.
b.
C.
d.
e.
248.25g
306.03g
Calculate the atmospheric pressure of your environment in
mmHg from a weather barometric reading.
Calculate the pressure exerted by the collected O2 at the
water temperature. Poto-Po,+PHO and the vapor pressure of
H₂O at 24 °C = 22.4 mm Hg)
Convert this pressure to atmospheres OR kPa.
Using the assumption that 1gram of water is 1mL of volume, what is the
volume in Liters of O2 that was obtained?
Convert the water temperature, in Celsius, to Kelvin.

g.
h.
i.
j.
k.
Using the density of H₂O2, calculate the mass of 5.00 mL of the H₂O2 solution,
Since the concentration of the H₂O2 solution is 3% by mass, calculate the mas
of H₂O2 in the mass determined from the previous part of the 5.00 mL of the
solution.
Using the molar mass of H₂O2, calculate the number of moles of H₂O₂
reacting.
Using stoichiometry and the balanced chemical equation for the
decomposition of H₂O2, calculate the number of moles of collected 02.
Determine how many grams this is equivalent to.
Determine the gas constant, R.
Calculate the % error in R for this determination
sem
8.
9

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