Question

The quantumyield for decomposition of HI is 0.2 . In an experiment 0.01 moles of HI are decomposed . Find the no. of protons absorbed.

Answer 1

Dear Student,

Please find below the solution to the asked query:

As we know that, in 1 mole of HI we have 6.022 x 1023 number of HI molecules, then in 0.01 mole of HI we will have = 6.022 x 1023 x 0.01 = 6.022 x 1021  numbers of HI molecules.

As quantum yield = Molecules decomposed / photon absorbed
 
photon absorbed = Molecules decomposed /quantum yield = 6.022 x 1021  / 0.2 = 3.011 x 1022



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