You are given 1.56 g of a mixture of KClO 3 and KCl. When heated, the KClO
Question:
You are given 1.56 g of a mixture of KClO3 and KCl. When heated, the KClO3 decomposes to KCl and O2,
and 327 mL of O2 with a pressure of 735 mm Hg is collected at 19°C. What is the weight percentage of KClO3 in the sample?
Transcribed Image Text:
2 KCIO3(s)→→ 2 KCl(s) + 3 O₂(g)
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 100% (3 reviews)
First we need to convert the volume of oxygen to moles We can use the ideal gas law to do this PV nR...View the full answer
Answered By
Jayshree Rathi
Hello Students!
This is Jayshree Rathi. I work on a number of renowned student-centric channels such as Chegg, coursehero, as a certified private tutor.
If you are looking for relevant and original content to complete your assignments, essays, and homework, then contact me and within the promised time, I will deliver you your personalized academic work and help you score the best.
4.80+
1+ Reviews
10+ Question Solved
Related Book For
Chemistry And Chemical Reactivity
ISBN: 9780357001172
10th Edition
Authors: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Question Posted:
Students also viewed these Sciences questions
-
A mixture of NaHCO 3 and Na 2 CO 3 has a mass of 2.50 g. When treated with HCl(aq), 665 mL of CO 2 gas is liberated with a pressure of 735 mmHg at 25C. What is the weight percent of NaHCO 3 and Na 2...
-
A sample containing an alkali sulfate is dried, weighed and dissolved in dilute HCl. Barium chloride solution is added in excess to precipitate barium sulfate, and the precipitate is digested in the...
-
You have 1.249 g of a mixture of NaHCO 3 and Na 2 CO 3 . You find that 12.0 mL of 1.50 M HCl is required to convert the sample completely to NaCl, H 2 O, and CO 2 . What volume of CO 2 is evolved at...
-
In seawater, the pressure p is related to the depth d according to 33p - 18d = 495 where d is in feet and p is in pounds per square inch. (a) Solve this equation for p in terms of d. (b) The Titanic...
-
In what ways is a channel of distribution different from the path taken by a product during physical distribution?
-
Which of the following omissions best describes a corporate governance shortcoming of Zeros board of directors? The boards failure to: A. address the potential conflicts of interest between managing...
-
Joan died April 17, 2022. Joans executor chose March 31 as the tax year end for the estate. The estates only beneficiary, Kathy, reports on a calendar year. The executor of Joans estate makes the...
-
Caleb Corp. has prepared the following unit sales forecast for 2011: Estimated ending Finished Goods Inventories are 50,000 units at December 31, 2010; 72,000 units at June 30, 2011; and 120,000...
-
A mouse passes a lazy cat with a velocity of 1.5 (m/s). After 5 (s) the cat decides to chase after the mouse and bolts after it with a constant acceleration of 2.0 (m/s2) for 3.0 (s). a. How much...
-
If you have a sample of water in a closed container, some of the water will evaporate until the pressure of the water vapor, at 25C, is 23.8 mmHg. How many molecules of water per cubic centimeter...
-
A balloon is filled with helium gas to a gauge pressure of 22 mm Hg at 25C. The volume of the gas is 305 mL, and the barometric pressure is 755 mm Hg. What amount of helium is in the balloon?
-
What features do personal clouds offer that make them useful to teams? As a teenager, Dropbox founder Drew Houston created an online application that would display all his gaming friends' shared...
-
Factor u - 9u-2u + 18 by grouping.
-
Discuss the Four International Strategies and provide an example of each: Global standardization. Localization strategy. Transnational strategy. International strategy.
-
Financial data for Snape Company for last year appears below: Snape Company Statements of Financial Position Beginning Balance Ending Balance Assets: Cash $58,000 $78,000 Accounts receivable 28,000...
-
On January 1, 2017, crossfire acquired sound equipment for concert performances at a cost of $55,900. The rock band estimated that it would use this equipment for four years, and then sell the...
-
Last week, as part of your Assignment, you proposed a process, policy, or legal change to address a legal or ethical issue in criminal investigation. You return to that change here by discussing it...
-
Use the results from Problem 28 in Section 4.1 and Problem 20 in Section 4.2 to: (a) Compute the coefcient of determination, R2. (b) Interpret the coefcient of determination and comment on the...
-
In Problem use absolute value on a graphing calculator to find the area between the curve and the x axis over the given interval. Find answers to two decimal places. y = x 3 ln x; 0.1 x 3.1
-
The beam is used to support a dead load of 800 N/m, a live load of 4 kN/m, and a concentrated live load of 20 kN. Determine (a) The maximum positive (upward) reaction at B, (b) The maximum positive...
-
Where should the beam ABC be loaded with a 300 lb/ft uniform distributed live load so it causes (a) The largest moment at point A and (b) The largest shear at D? Calculate the values of the moment...
-
Where should a single 500-lb live load be placed on the beam so it causes the largest moment at D? What is this moment? Assume the support at A is fixed,Bis pinned, and C is a roller. 8 ft- 20 ft- 8...
-
Write your audience plan! Make a list of at least 10 friends and family who have agreed to serve as audience members. Include name and age of each audience member. Designate at least two audience...
-
Sunland Co.'s stockholders' equity at January 1, 2026 is as follows: Common stock, $10 par value; authorized 300,000 shares; Outstanding 227000 shares Paid-in capital in excess of par Retained...
-
The speed of a car, s , can be estimated after a crash by using the formula s =30 df where d is the distance that the car skidded until a collision and f is the coefficient for friction which depends...
Study smarter with the SolutionInn App