The reaction: C2H5Clg)---->C2H4(g)+HCl(g) is the first order in C,H;CI.The rate constant is 1.60 x 10/s.ln an investigation of the decomposition of C2H5Cla, an initial concentration of 0.165 mol/L was used. What will the concentration of C,H;Cla) be after 125 hours? Choose... How many hours will it take for the concentration of C2H5CI to drop to 0.100 mol/L Choose... 0.0703 mol/L How many hours will it take for 75% of the C2H5CI to decompose? 77 hours 0.0603 mol/L 0.0803 mol/L 241 hours 87 hours 143 hours

Q: Calculate the pH of a 0.42 M H,SO4 solution. Give your answer to 2 places after the decimal.

A: given, molarity of H2SO4 solution = 0.42 M

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A: Valence bond description : it gives idea about sigma bonds, π bonds, l.p. for central atoms.   

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A: The PH  of acidic buffer can be calculated as follows

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A: The correct answer is given below

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Q: Stoichiometry, Limit

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A: The correct answer about NMR spectrum is given below

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Q: Determine

A: