Question

A certain sabstance a is mixed with an equal quantity of sabstance b . At the end of 1 hour 75% a is reacted . How much A will be unreacted at the end of 2 hour if the reaction is of zero order in a and independent of b

Answer 1

Answer:

BRO THIS IS UR ANSWER PLZZ MAKE ME AS BRAINLIEST PLZ

THANK YOU HOPE THIS HELPS U

Explanation:

According to zero order reaction:

x=kt      ( x = amount of reactant reacted)

75=k×1 and

90=k×t

So  t=90/75=1.2 hr