Particle Mass 000054858 100782 400260 Solution4 H He2 e de

Particle	Mass ()
	0.00054858
	1.00782
	4.00260

Solution

4 H ---> He2 +e

delhta M=4*1.00782-4.00260-0.00054858

=0.02813

so for 1.72 grams,

M=1.72*0.02813

=0.04838

so energy=mc^2

=0.04838*(3*10^8)^2

=4.354*10^15 J