At a certain temperature the rate of this reaction is first order in H₂PO4 with a rate constant of 0.00682 s¹: 2H₂PO4 (aq) → P₂O5 (aq) + 3H₂O (aq) Suppose a vessel contains H₂PO4 at a concentration of 1.41 M. Calculate the concentration of H3PO4 in the vessel 130. seconds later. You may assume no other reaction is important. Round your answer to 2 significant digits. M

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Chapter1: Chemical Foundations
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At a certain temperature the rate of this reaction is first order in H₂PO4 with a rate constant of 0.00682 s :
2H₂PO4 (aq) → P₂O₂ (aq) + 3H₂O (aq)
5
Suppose a vessel contains H₂PO4 at a concentration of 1.41 M. Calculate the concentration of H₂PO4 in the vessel 130. seconds later. You may assume no
other reaction is important.
Round your answer to 2 significant digits.
M
x10
×
Ś ?
Transcribed Image Text:-1 At a certain temperature the rate of this reaction is first order in H₂PO4 with a rate constant of 0.00682 s : 2H₂PO4 (aq) → P₂O₂ (aq) + 3H₂O (aq) 5 Suppose a vessel contains H₂PO4 at a concentration of 1.41 M. Calculate the concentration of H₂PO4 in the vessel 130. seconds later. You may assume no other reaction is important. Round your answer to 2 significant digits. M x10 × Ś ?
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