Chemistry miscellaneousEasy

Question

If half-life of a substance is 5 yrs, then the total amount of substance left after 15 years, when initial amount is 64 grams is

Options

A.16 grams
B.2 grams
C.32 grams
D.8 grams

Solution

After every 5 years amount is becoming half.
∴ 64g 32g 16g 8g

Create a free account to view solution

View Solution Free
Topic: Chemistry miscellaneous·Practice all Chemistry miscellaneous questions

More Chemistry miscellaneous Questions

The major product of the following reaction is...Which one of the following cannot be prepared by Wurst reaction ?...Which of the following is most basic :-...The structure of XeO3 is :-...The % yield of ammonia as a function of time in the reactionN2(g) + 3H2 (g) ⇋ 2NH3(g), ᐃH < 0at (P, T) is...