A chemistry graduate student is studying the rate of this reaction: 2H,PO, (aq) → P,0, (aq)+ 3H,O (aq) He fills a reaction vessel with H,PO, and measures Its concentration as the reaction proceeds: time (seconds) LH,PO,] 0.400M 0.10 0.224M 0.20 0.156M 0.30 0.119 M 0.40 0.0967M Use this data to answer the following questions. Write the rate law for this reaction. rate = k M Calculate the value of the rate constant k. Round your answer to 2 significant digits. Also be sure your answer has the correct unit symbol.

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Chapter1: Chemical Foundations
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A chemistry graduate student is studying the rate of this reaction:
2H, PO, (aq) → P,0, (aq)+ 3H,0 (aq)
He fills a reaction vessel with H,PO, and measures Its concentration as the reaction proceeds:
time
[H, PO.]
do
(seconds)
0.400M
0.10
0.224M
0.20
0.156M
0.30
0.119 M
0.40
0.0967M
Use this data to answer the following questions.
Write the rate law for this reaction.
rate = k M
Calculate the value of the rate constant k.
Round your answer to 2 significant digits. Also be
sure your answer has the correct unit symbol.
Transcribed Image Text:A chemistry graduate student is studying the rate of this reaction: 2H, PO, (aq) → P,0, (aq)+ 3H,0 (aq) He fills a reaction vessel with H,PO, and measures Its concentration as the reaction proceeds: time [H, PO.] do (seconds) 0.400M 0.10 0.224M 0.20 0.156M 0.30 0.119 M 0.40 0.0967M Use this data to answer the following questions. Write the rate law for this reaction. rate = k M Calculate the value of the rate constant k. Round your answer to 2 significant digits. Also be sure your answer has the correct unit symbol.
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