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ID: 1089082 • Letter: C
Question
course htm7courseld-14356026&OpenVellumHMAC; 221778b80Se lec3afdSfe5f822fd8c5c# 10001 Chapter 05-Google Chrome https://session.rmasteringchemistry.com/myd/itemView?assgrme Consants 1 Periods Tabe All attempts used; correct answer displayed Hydrogen peroxide (1H202) decomposes in the presence of a catalyst to form water and oxygen. The catalyst was added to 5.70 ml of a hydrogen peraxide solution at 30.0 C, and 49. mL of gas was collected over water at a total pressure of 764.6 mmHg. Look up the vapor pressure of water under these conitors i, the table Part B tudy Modules What is the partial pressure of oxygen collected over the Express your answer to one decimal place and include the appropriate units water? Sharing TABLE Vapor Pressure of Water versus Temperature 1182 9.21 12.7970 1755 23.7880 31.86 8 42.2390 55 95 7197 100 92.6 1875 alue Units 289.1 55.1 Submit Print X Incorrect, Try Again; 3 attempts remaining Part C This question will be shown after you complese previous question(s) 3e Tro Part D This question will be shown aher you complete previous question)s) 2018 Part E This question will be shown after you complete previous question(s)Explanation / Answer
Answer:-
As given the total pressure, Ptotal = 764.6 mmHg
but from given table, PH2O =31.86 mmHg (at 30 oC)
So, partial pressure at 3o oc = Ptotal - Ph2O
= 764.6 - 31.86
= 732.7 mmHg
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