The molar mass is 242 g/mol (<span>241.8597 g/mol). There is a very good online service to calculate molar masses:
http://www.webqc.org/mmcalc.php
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1. alpha particle
alpha particles are positively charged helium nuclei with weak penetrating power
It depends on the type of decay that is taking place if its a β+ it will decay into Mn-52 β- decays into Co-59
It’s the first 1 M yea it’s the first one
