Chemistry, asked by kskxjbxn42, 9 months ago

Half life of first order reaction is 20 min ,How many grams of reactant will be left behind after an hour if we started with 80 grams of reactant 1 point A. 20 g B. 10 g C. 5 g D. 36g Answer with explanation

Answers

Answered by ItzIshu

5

Answer:

t= k2.303

log( a−xa)

t= 10 −2/s2.303

log( 5g20g)

t=138.6 sec

Hence, the time required will be 138.6 sec.

Hope it helps you....

Answered by Anonymous

0

Answer:

Hope it helps you dear.......

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