For a general chemical change 2A =3B to ...

For a general chemical change 2A =3B to products, the rates with respect to A Is` r_1` and `r_2` are related as

`3r_1=2r_2`

`r_1=r_2`

`2r_1=3r_2`

`r_1^2 = 2r_2^2`

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