Nuclear Fission/Fusion

Mspike6

Hi forums ..

i got 2 questions, i got the main idea how to solve them but i still need some help.

1) Use the following fusion reaction to determine the amount of mass that is converted to energy. 2/1 H + 3/1 H  4/2 He + 1/0 n + 17.6 MeV

Solution .
mh2 = 2.014102
mh3= 3.016049
mHe =4.002603
mn= 1.008665

i know that m =mf - mi (this works for fission, am not sure if it works for fusion as well )

But am not sure how to deal with the 17.6 MeV


2)The mass of a helium-4 nucleus is 4.0026 u. The mass of an individual proton is 1.0073 u and 1.0087 u for a neutron. Determine the binding energy per nucleon in the helium nucleus in units of MeV per nucleon

Solution
E nucleon = [tex]\frac{E binding}{A}[/tex]
A= Atomic mass number .
what i dont know is how to get the Ebinding here.


Thanks guys, and help/tip is really appreciated