If the change in concentration of a reactant has no effect on the initial rate of reaction, the order of the reaction with respect to that reactant is:

A) 0
B) 1
C) 2
D) unknown

option (A)

0

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the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.

c. is the answer

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