For a chemical reaction $A + B \rightarrow \text{Product}$,the order is $1$ with respect to $A$ and $B$.
Rate $(mol \ L^{-1} \ s^{-1})$$[A]$ $(mol \ L^{-1})$$[B]$ $(mol \ L^{-1})$
$0.10$$20$$0.5$
$0.40$$x$$0.5$
$0.80$$40$$y$

What is the value of $x$ and $y$?

  • A
    $80$ and $2$
  • B
    $40$ and $4$
  • C
    $160$ and $4$
  • D
    $80$ and $4$

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