1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
omeli [17]
1 year ago
7

Oxygen gas generated in the thermal decomposition of potassium chlorate is collected over water. The volume of gas collected is

0.128 L, at a temperature of 297K and a pressure of 762 mm Hg. The vapour pressure of H2O at 297K is 22.4 torr. What is the mass of oxygen collected?
Chemistry
1 answer:
Leya [2.2K]1 year ago
5 0

The mass of oxygen collected from the thermal decomposition of potassium chlorate at a temperature of 297 K and 762 mmHg is 0.16 g

<h3>How to determine the mole of oxygen produced </h3>

We'll begin by obtaining the number of mole of oxygen gas produced from the reaction. This can be obtained by using the ideal gas equation as illustrated below:

  • Volume (V) = 0.128 L
  • Temperature (T) = 297 K
  • Pressure (P) = 762 – 22.4 = 739.6 mmHg
  • Gas constant (R) = 62.363 mmHg.L/Kmol
  • Number of mole (n) =?

PV = nRT

739.6 × 0.128 = n × 62.363 × 297

Divide both sides by 62.363 × 297

n = (739.6 × 0.128) / (62.363 × 297)

n = 0.0051 mole

Thus, the number of mole of oxygen gas produced is 0.0051 mole

<h3>How to determine the mass of oxygen collected</h3>

Haven obtain the number of mole of oxygen gas produced, we can determine the mass of the oxygen produced as follow:'

  • Mole = 0.0051 mole
  • Molar mass of oxygen gas = 32 g/mole
  • Mass of oxygen =?

Mole = mass / molar mass

0.0051 = mass of oxygen / 32

Cross multiply

Mass of oxygen = 0.0051 × 32

Mass of oxygen = 0.16 g

Thus, we can conclude that the mass of oxygen gas collected is 0.16 g

Learn more about ideal gas equation:

brainly.com/question/4147359

#SPJ1

You might be interested in
Which of the following statements about alkenes is not correct?
professor190 [17]
<span>Option-C:  They react mainly by substitution.

Explanation:
                     
Alkene doesn't give substitution reactions because they are non polar in nature. The double bond in alkene is responsible for Electrophillic Addition reactions as it electron rich and nucleophilic in nature. Reaction of Alkene is given below,</span>

8 0
3 years ago
What is conjugate solution​
mars1129 [50]

Answer:

Explanation: A mixture of two partially miscible liquids

5 0
3 years ago
Platinum-189<br> What is the symbol
Fed [463]

Answer:

platinum-189 symbol is PT

6 0
2 years ago
How many milliliters of 1.50 M magnesium sulfate soulution is required to supply 2.50 mole of this salt?
arsen [322]

Answer:

1670 ml

Explanation:

molarity x Volume (Liters) = moles => Volume (Liters) = moles/Molarity

Volume needed = 2.50mol/1.50M = 1.67 Liters = 1670 ml.

3 0
3 years ago
What are The usages of transducer in ultrasonic??
Gennadij [26K]

Answer:they are used to generate sound waves in the ultrasonic range

Explanation:transducers are used to generate sound waves in the ultrasonic range ,by turning electrical energy into sound

8 0
3 years ago
Other questions:
  • How did cyanobacteria change life on earth
    12·1 answer
  • What is the volume occupied by 3.00 mol of hydrogen gas at STP? *
    13·1 answer
  • Citric acid (C6H8O7) is a triprotic acid (It has 3 protons that can dissociate when dissolved) found naturally in lemon juice, a
    10·1 answer
  • When charging an object by conduction, what happens to the charges in the<br> object?
    13·1 answer
  • HELP<br> ME<br> PLEASE!!!!!!!!!!
    14·2 answers
  • Rory answered that absolute zero is 0°K. Is this answer correct? Explain why or why not.
    11·1 answer
  • Identify the type of reaction: A + B-----&gt; AB
    14·1 answer
  • Which describes how technology has changed society?
    11·1 answer
  • Omg posting takes away point WHAT.
    9·1 answer
  • Which of the following is an example of a molecule with different atoms?
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!