Find the ratio of the effusion rate of hydrogen gas to the effusion rate of krypton gas. express the ratio of effusion rates to four significant figures.

The  rate  of  effusion  of  a   gas  is  inversely   proportion  to   the   to  the  square  root   of  the   mass  of  its  particles.
  the  ratio  of  effusion   of  hydrogen  gas  to  krypton  gas  is  calculated  as  follows

Re   of  hydrogen/  Re  of  krypton  = square  root  of  molar   mass  of  krypton/molar  mass  of  hydrogen
 that  is  sqrt of 83.793/2  g/mol =6.47
rate  of  hydrogen =6.47x  rate  of  krypton

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