Home
Class 12
CHEMISTRY
The half-life periof of a radioactive el...

The half-life periof of a radioactive element is `40` days. If `32 g` of this element is stored for `160 days`, calculate the weight of the element that would remain in gram.

Doubtnut Promotions Banner Mobile Dark

Text Solution

Verified by Experts

The correct Answer is:
2
Amount remaining after `n` half lives is
`=N_(0)/2^(n) (N_(0)= "initial amount")`
`=32/((2)^(4))=2 g [n= "number of half lives" =169/40 =4]`
|

Topper's Solved these Questions

  • CHEMICAL KINETICS

    CENGAGE CHEMISTRY|Exercise Exercises Fill In The Blanks|37 Videos

  • CHEMICAL KINETICS

    CENGAGE CHEMISTRY|Exercise Exercises True/False|29 Videos

  • CHEMICAL KINETICS

    CENGAGE CHEMISTRY|Exercise Exercises Assertion-Reasoning|22 Videos

  • CARBOXYLIC ACIDS AND THEIR DERIVATIVES

    CENGAGE CHEMISTRY|Exercise Exercises Archives (Analytical And Descriptive)|34 Videos

  • COORDINATION COMPOUNDS

    CENGAGE CHEMISTRY|Exercise Archives Subjective|18 Videos

Similar Questions

Explore conceptually related problems

The half - life periof of a radioactive element is 140 days. After 560 days, one gram of the element will reduce to

The half-life period of a radioactive element is `140` days. After `560` days, one gram of the element will reduce to

The half-life period of a radioactive element is 140 days. After 560 days, one gram of the element will reduce to

Half life of a radioactive element is 10 days. What percentage of the element will remain undecayed after 100 days?

Initial amount of the radioactive element with half life 10 days is 16 g. What amount in gm of this element will remain after 40 days?

The half`-` life periof of a radioactive element is 140 days. After 560 days, one gram of the element will reduce to

एक रेडियोएक्‍टिव तत्व की अर्द्ध आयु 140 दिन है। 560 दिन बाद एक ग्राम तत्व की शेष मात्रा हेागी

If the half-life of a radioactive element is 80 days, then in 240 days the amount of two grams of element decreases.

After how many days will 1/20th of the radioactive element remain, if the half life of the element is 6.931 days?

The half life period of a radioactive element is 140 days. After 560 days, one gram of the element will reduced to :

The half-life of the radioactive element is 140 days. Initially, calculate this 16 grams at that time, in which it will remain 1 gram.

The half-life periof of a radioactive element is 40 days. If 32 g of this element is stored for 160 days , calculate the weight of the element that would remain in gram.

The half-life period of a radioactive element is 100 days. After 400 days, one gram of the element will reduced to:

The half-life period of a radioactive element is 140 days. After 560 days, one gram of the element will reduce

Home
Profile