Chemistry, asked by Anonymous, 7 months ago

An α-particle change into a Helium into a Helium atom. In the course of one year the volume of Helium collected from a simple of Radium was found to be 1.12×10
−2
mL at STP. The number of αparticles emitted by the sample of Radium in the same time is:

Answers

Answered by havockarthik30
4

ANSWER

α particles are charged helium nuclear which give helium atoms in a 1:1 ratio.

22.4 L helium⟶6.023×10

23

particles

∴1.12×10 ^−5

L helium has x particles

x= 6.023×10 ^23 × 1 .12×10 ^−5 ÷ 22.4

=3.012×10 ^17

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